Delta Performance PG-25 Installation And Maintenance Manual

Performance series gas fired combination heaters

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The

PG-25/30/35/40 & 45

Gas Fired

Combination Heaters

Category I or Category III

Vented Appliance

CONFORMS TO

ANSI Z 21-10-3

CERTIFIED TO

CGA CAN 1-4-3 M85

90870

* I N S

Warranty Registration Card must be filled out by the customer and mailed within thirty (30) days of installa-

NOTICE

tion in order to gain warranty coverage.

When receiving the Delta Performance unit, any claims for damage or shortage in shipment must be filed

immediately against the transportation company by the consignee.

Leave all documentation received with appliance with owner for future reference.

If the information in this manual is not followed exactly, a fire or explosion may

WARNING

result causing property damage, personal injury or death.

• Do not store or use gasoline or other flammable vapors and liquids in the vicinity of

this or any other appliance.

• WHAT TO DO IF YOU SMELL GAS

- Do not try to light any appliance

- Do not touch any electrical switch; do not use any phone in your building.

- Immediately call your gas supplier from a neighbor's phone. Follow the gas

supplier's instructions.

- If you cannot reach your gas supplier, call the fire department.

Installation and service must be performed by a qualified installer, service agency or the

gas supplier.

- Input from 100,000 to 199,000 Btu/hr -

I O N

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FOR YOUR SAFETY

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Table of Contents

Summary of Contents for Delta Performance PG-25

Page 1 NOTICE tion in order to gain warranty coverage. When receiving the Delta Performance unit, any claims for damage or shortage in shipment must be filed immediately against the transportation company by the consignee. Leave all documentation received with appliance with owner for future reference.
Page 3: Table Of Contents
Table of Contents PRODUCT AND SAFETY INFORMATION Definitions ..........1 Product Warnings .
Page 4 Table of Contents U-Tube Assembly ......... . . 15-16 Domestic Drain Valve.
Page 5 Table of Contents Vent Appliance Adapters........34 Vent Condensate Drain .
Page 6 Table of Contents Verify Correct Pressure Switch ....... . . 52 Verify Correct Air Shutter Setting .
Page 7 Table of Contents Check Expansion Tank ....... . . 62 Check Boiler Relief Valve .
Page 8: Product And Safety Information
Product & Safety Information The following terms are used throughout this manual to bring attention to the presence of potential hazards or to important information concerning the product. NOTICE DANGER Indicates special instructions on installa- Indicates the presence of a hazardous tion, operation or maintenance, which situation which, if ignored, will result in are important to equipment but not...
Page 9: Product Warnings
Product & Safety Information CAUTION WARNING Protection must be taken against excessive Bacteria can develop in the domestic temperature and pressure! water system if certain minimum water temperatures are not maintained. TO PROTECT AGAINST EXCESSIVE TEMPERATURE AND PRESSURE DANGER • Check if the Temperature and Pressure (T&P) relief valve is in the Water temperature over 125ºF can cause...
Page 10 Product & Safety Information DANGER WARNING Do not use this appliance if any part Should overheating occur or the gas has been under water. Immediately call supply fails to shut off, turn OFF the a qualified service technician to inspect manual gas control valve external to the appliance and to replace any part of the appliance.
Page 11: Operating Restrictions
Class of 1, as listed in Clinical Temperature & Pressure Relief Valve Toxicology of Commercial Products, with an AGA rating of 100,000 Btu/hr for PG-25 and 200,000 Btu/hr for PG- Outer tank pressure is limited to maxi- 30/35/40/45. mum 30 psig by approved relief valve.
Page 12: Section I - Pre-Installation Items
Pre-Installation Items SECTION I - Pre-Installation Items The PERFORMANCE should be installed in a location so that any water leaking from the tank or piping connections or relief Code Compliance valves will not cause damage to the area surrounding the unit or any lower floors in This product must be installed in accor- the structure.
Page 13: Flooring And Foundation
Pre-Installation Items Installer should provide a solid brick or con- BEST PRACTICES crete foundation pad, at least 2 inches above the floor level if: To provide serviceability to the unit it is recommended that the following clear- There is a potential for the floor to ances be maintained: become flooded.
Page 14: Section Ii - Combustion Air And Venting
Combustion Air and Venting SECTION II - Combustion Air and Potential contaminating products Venting Spray cans containing chloro/fluorocar- bons Combustion Air Contamination Permanent Wave Solutions WARNING Chlorinated wax Chlorine - based swimming pool chem- If the PERFORMANCE combustion air icals / cleaners inlet is located in any area likely to cause or contain contamination, or if products, Calcium Chloride used for thawing ice...
Page 15: Combustion Air Requirements
Combustion Air and Venting Combustion Air Requirements NOTICE The PERFORMANCE can use inside air if no The air openings must be sized to handle contaminants are present in the area of installa- the requirements of all appliances and air tion when venting as a Category I or Category movers (exhaust fans, etc.) contained in III appliance.
Page 16 Combustion Air and Venting Combining spaces on the same story. 1sq. in./3000 Btu/hr of the total input Each opening shall have a minimum rating of all equipment located in the free area of 1 sq. in./1000 Btu/hr of the enclosures, and total input rating of all gas utilization Not less than the sum of the areas of all equipment in the space, but not less than...
Page 17: Vent System
Combustion Air and Venting Combination of Indoor and Outdoor Combustion Air Indoor Openings: Where used, openings con- necting the interior spaces shall comply with the Indoor Combustion Air section on page 8. Outdoor Opening(s) Location. Outdoor open- ing(s) shall be located in accordance with the Outdoor Combustion Air section.
Page 18: Removal Of An Existing Category I Appliance From A Common Vent System
Combustion Air and Venting 4. Place in operation the first appliance DANGER being inspected that is connected to the common vent system. The remaining Do not install the PERFORMANCE into appliances should not be in operation. a common vent with other gas appliances Follow the appliance’s lighting instruc- when venting as a Category III appliance.
Page 19: Section Iii - Unit Preparation
Unit Preparation SECTION III - Unit Preparation 3. On the outlet flange of the circulator pipe install a 1” NPT nipple and shut-off valve. Use pipe dope sparingly to allow removal Handling Instructions of the fittings upon completion of the test. The PERFORMANCE is generally easier to handle and maneuver once removed from the shipping carton and pallet.
Page 20: Completion Of Hydrostatic Test And Draining
Unit Preparation WARNING Completion of Hydrostatic Test and Draining 1. Disconnect the fill hose from the fresh Do not leave the unit unattended while water source and direct the hose to a suit- pressurized. A cold water fill could able place of drainage. expand and cause excessive pressure, resulting in severe personal injury, death 2.
Page 21: Section Iv - Domestic Piping
(See Fig. 6 page 17) AGA: Installing a thermal expansion tank will Model AGA Rating prevent normal thermal expansion from PG-25 100,000 Btu/hr repeatedly forcing the T&P relief valve PG-30 200,000 Btu/hr open. PG-35...
Page 22: Thermostatic Mixing Valve
Domestic Piping The installer must install discharge piping WARNING onto the T&P relief valve. The discharge piping must be: DO NOT install any valves between the T&P relief valve and the discharge pip- • Made of material serviceable for tem- ing.
Page 23: Domestic Drain Valve
Domestic Piping 3. Solder the U-Tube Assembly onto the The installer should remove the thermostatic adapter. (See Fig. 5) mixing valve from the units and install a single thermostatic mixing valve at the outlet of the 4. Once the adapter has sufficiently hot water manifold.
Page 24: Tr/Smart Series Application
Domestic Piping TR/SMART Series Application The primary piping to the TR/SMART Series tank must comply with the piping methods For applications requiring large volumes of details in SECTION V - Primary Piping or with domestic hot water over an extended period, other recognized piping methods.
Page 25: Domestic Piping
Domestic Piping Optional recirculation U-Tube assembly To dishwasher if 12" Heat trap permitted by codes Cold water inlet Note: All shut off valves shown in this figure must be Fig. 7: PERFORMANCE With closed when siphon draining Recirculation the PERFORMANCE 12"...
Page 26 Domestic Piping Domestic Piping Diagram Optional recirculation line 12" Heat trap To dishwasher if Cold water permitted by codes inlet Fig. 9 : PERFORMANCE with Storage Tank Optional recirculation line 12" Heat trap To dishwasher if Cold water permitted by codes inlet Fig.
Page 27: Section V - Primary Piping
Primary Piping SECTION V - Primary Piping NOTICE General Piping Requirements To prevent potential outer tank failure, the primary system piping must be a Low Water Cutoff Device “closed” loop sytem to avoid any oxygen contamination of the boiler water. The PERFORMANCE is equipped with a factory installed pressure switch style Expansion Tank and Makeup Water...
Page 28: Circulator
Primary Piping For proper operation of the expansion tank System Piping - Zone Circulators and system, remove the factory installed Connect the PERFORMANCE to the sys- automatic air vent from the PERFOR- tem piping as shown in Fig. 12 page 24 MANCE and plug the connection.
Page 29: System Piping - Radiant Heating With Mixing Valves
Primary Piping System Piping - Radiant Heating with Mixing Size the heating system piping and circula- Valve tor to provide the flow needed for the radiant system. Connect the PERFORMANCE to the system piping as shown with a radiant system using To control the zone circulators reference a thermostatic mixing valve as shown in Fig.
Page 30 Primary Piping Near Appliance Piping 12" Max. From system system Cold Water fill supply Supply flow 12" Cold Water Max. fill supply From system system Supply Return flow flow Return flow Fig. 11 : Near Appliance Primary Piping with a Diaphragm Type Expansion Tank Fig.
Page 31 Primary Piping • Size primary piping for total flow of all circula- 12" max. tors • Size each circulator to individual circuit require- ments • Install balancing valves to adjust flow to distribute heat to all zones Fig. 12: Primary piping - Zoning with Circulators 12"...
Page 32 Primary Piping LOAD Note: Adjust system temperature valve to establish maximum sup- ply/return temperature differen- tial of 30ºF and a minimum 130ºF return water temperature to the PERFORMANCE Fig. 14: Primary Piping - Low Temperature Radiant System Baseboard Load 12" Max. Radiant 12"...
Page 33 Primary Piping...
Page 34: General Requirements - Category I
Venting and Combustion Air Installation SECTION VI - Venting and Combustion Masonry and Metal Chimneys Air Installation The NFPA code book severely limits the installation of the PERFORMANCE into General Requirements - Category I a masonry chimney. For applications using either interior or exterior masonry The venting system must be installed in accor- chimney a listed, approved metal chim- dance with:...
Page 35: Vent Connectors
Model Vent Connector The minimum clearance to com- Diameter bustibles for Type B vent connectors shall be 1 inch or per vent manufactur- PG-25/30 4 inches er’s instructions. PG-35/40/45 5 inches The vent connector shall be installed in a manner to avoid excessive turns or...
Page 36: General Requirements - Category Iii
Venting and Combustion Air Installation General Requirements - Category III ment or be objectionable to the home- owner. Installation must comply with local requirements and with the National The flue products will form a notice- Fuel Gas Code, NFPA 54/ ANSI Z223.1 able plume as they condense in colder for U.S.
Page 37 Venting and Combustion Air Installation No closer than 5 feet below roof over- taining clearances for vertical and hori- hangs zontal enclosures. In the second option the installer can use the horizontal con- At least 7 feet above any public walk- centric snorkel kit see Fig.
Page 38: Multiple Vent Terminations
Venting and Combustion Air Installation Multiple Vent Terminations Venting Option - Non Direct Vent / Vertical For multiple unit installation venting horizon- tally, it is recommended to vent as direct vent In this vent application the PERFORMANCE using the Horizontal Wall Thimble Kit or is vented vertically through the roof or an Horizontal Concentric Kit.
Page 39: Venting Option - Non-Direct Vent / Horizontal
Venting and Combustion Air Installation The installer should consider the following BEST PRACTICE when choosing this vent option: Although the vent system is allowed to a. The vent system should contain a conden- pitch away from the unit, it is recom- sate trap located near the unit as shown in mended that the vent system pitches Fig.
Page 40: Horizontal Wall Thimble Kit
Venting and Combustion Air Installation BEST PRACTICE NOTICE The combustion air inlet and the vent Although the vent system is allowed to termination must reside in the same pitch away from the unit, it is recom- pressure zone area of the building for mended that the vent system pitches proper operation of the appliance.
Page 41: Vent Appliance Adapters
35 & 36. The maximum combined equivalent lengths for venting and combustion air inlet are as follows: WARNING Delta PERFORMANCE - 200 feet (100 feet each) Failure to provide a vent condensate drain close to the appliance could allow...
Page 42: Venting Option Diagrams
NOTICE must be reduced as follows: • Each 90º elbow within the system is For Delta PERFORMANCE applica- the equivalent of 10 linear feet. tions that may exceed the 100 feet maxi- mum allowable equivalent length for the •...
Page 43 Venting and Combustion Air Installation Refer to the vent manufacturer’s recommended spacing of support Refer to the vent manufacturer’s Termination Tee recommended spacing of support with Bird screen Triangle Tube Horizontal Wall Thimble Condensate Drain Refer to the vent withTrap Loop manufacturer’s Condensate Drain Refer to the vent manufacturer’s...
Page 44 Venting and Combustion Air Installation Vent Termination Tee Air Inlet Elbow Maximum 12" Vent Termination 12" Recommended minimum clearance Location of Air Inlet Maintain Distance as Not recommended for Close to Outside Wall Horizontal Tee Vent as Possible Termination or horizontal/straight-out Location of Air Inlet Combustion Air...
Page 45 Venting and Combustion Air Installation...
Page 46: Section Vii - Gas Piping
Gas Piping SECTION VII - Gas Piping WARNING Gas Supply Piping Connection Do not check for gas leaks with an open flame. Use a gas detection device or bub- ble test. Failure to check for gas leaks NOTICE can cause severe personal injury, death or substantial property damage.
Page 47: Natural Gas
Gas Piping NATURAL GAS 2. Install 100% lockup gas pressure regulator in the gas supply line if inlet pressure can Pipe Sizing - Natural Gas exceed 13”w.c at any time. Adjust the lock- up pressure regulator for 13”w.c maximum. 1. Refer to Table 3 for pipe length and diame- ter requirements.
Page 48: Propane Gas
Gas Piping PROPANE GAS WARNING Pipe Sizing - Propane Gas DO NOT adjust or attempt to measure gas valve outlet pressure. The gas valve 1. Contact the local propane gas supplier for is factory-set for the correct outlet pres- recommended sizing of piping, tanks and sure.
Page 49: Section Viii - Internal Wiring
Internal Wiring SECTION VIII - Internal Wiring General Requirements Wiring must be N.E.C Class 1. If original wiring installed in the unit WARNING must be replaced, use only type T, 90ºC wire or equivalent. ELECTRICAL SHOCK HAZARD. For your safety, disconnect electrical power The PERFORMANCE must be electri- supply to the unit before servicing or cally grounded as required by National...
Page 50 Internal Wiring Room T -Stat Burner Snap-Set LWCO Snap-Set Circulator 120V Field Wiring (By Others) 120V Factory Wiring 24V Factory Wiring Relay R2 Relay R1 Transformer B - Black BL - Blue P - Pink V - Violet Y - Yellow R - Red OR - Orange T - Tan...
Page 51 Internal Wiring Alarm 120 VAC Blower On-Off Switch Equipment Ground Manual Air Switch Reset Limit Circulator Gas Valve Burner Control 120V Room T-stat Snap-set Jumper LWCO Secondary T-stat Auto Reset Burner Control Limit Primary T-Stat Factory Jumper B - Black BL - Blue P - Pink V - Violet...
Page 52: Section Ix - External Wiring
External Wiring SECTION IX - External Wiring areas of draft, lighting fixtures and fire- places. Installation Compliance 4. Set the thermostat anticipator (if applica- ble) as follows: All field wiring made during installation must comply with: Set for 0.2 amps when wired directly to the Room Thermostat Snap-set.
Page 53: External Control Wiring Diagrams
External Wiring 4 Wire Zone Valve V.A.C. High Voltage Transformer (Power) V.A.C. Room Zone Valve Thermostat Zone 1 Room Thermostat Zone 2 Zone Valve Additional zones may Additional zones be added as shown above To PERFORMANCE "Room Thermostat" Snap Set 3 Wire Zone Valve V.A.C.
Page 54 External Wiring Thermostat Honeywell zone 1 R845A Relay Circulator Zone 1 Thermostat zone 2 Circulator Zone 2 Additional zones may be added as shown above To PERFORMANCE " Room Thermostat" Snap Set Fig. 34: Field wiring with zone circulators.
Page 55 External Wiring Thermostat Thermostat Thermostat Zone 3 Zone 2 Zone 1 T1 T1 L2 ZC 120V To PERFORMANCE Zone 3 Zone 1 Zone 2 "Room Thermostat" Circulator Circulator Circulator Snap-Set Fig. 35: Typical Zone Relay Panel Wiring Storage Tank Thermostat Honeywell R845A Relay...
Page 56: Section X - Start-Up Preparation
Start-Up Preparation SECTION X - Start Up Preparation NOTICE Any water conditioning system must Check System Domestic Water be installed and maintained in accor- Chemistry dance with the water conditioner’s manufacturer’s specifications and within the operating guidelines of the WARNING PERFORMANCE.
Page 57: Use Of Antifreeze In The Primary System
Start-Up Preparation Filling the Inner (Domestic) Tank and NOTICE System System water, including additives must be WARNING practically non-toxic, having a toxicity rating or Class of 1, as listed in Clinical Proceed with filling instructions for the Toxicology of Commercial Products. inner and outer tanks only after ensur- ing the water meets the requirements Use of Antifreeze in the Primary System...
Page 58: Check Low Water Cut-Off Device
Propane (Above 5,000 feet) (inch w.c.) (inch w.c.) Natural Gas Propane - YELLOW Label: 1.84”w.c. (inch w.c.) (inch w.c.) PG-25 1.84 " w.c. 3.35" w.c. - RED Label: 2.7” w.c. PG-30 1.84 " w.c. 3.35" w.c. 2.7" w.c. 3.35" w.c.
Page 59: Verify Correct Pressure Switch
9,000 feet elevation Natural gas Propane Natural gas Propane Natural gas Propane PG-25 PG-30 PG-35 3.75 PG-40 PG-45 n/a -Models not available. N/R - Air Shutter not required. (For these units an adjustable air shutter is NOT supplied with the unit.)
Page 60: Section Xi - Start-Up Procedures
Start-Up Procedures SECTION XI - Start-Up Procedures 2. Read and follow the Operating Instructions outlined on page 54 to start the appliance. Final Checks Before Start-up Verify the PERFORMANCE and the If PERFORMANCE Does Not Start Correctly primary and domestic systems are full 1.
Page 61: Start-Up / Operating Instructions
Start-Up Procedures FOR YOUR SAFETY READ BEFORE LIGHTING The following instructions must be followed exactly, a fire or WARNING explosion may result causing property damage, personal injury or loss of life. A. This appliance is equipped with an electron- • Immediately call your gas supplier from a ic ignition system.
Page 62 Start-Up Procedures WARNING WARNING Venting system must be sealed gas-tight A combustion test must be performed to prevent flue gas spillage and potential after any adjustments are made. Allow carbon monoxide emissions, which will the unit to operate for approximately 10 result in severe personal injury or death.
Page 63: Section Xii - Temperature Limits
Temperature Limits SECTION XII - Temperature Limits NOTICE To adjust the thermostat settings: DANGER Turn thermostat knob clockwise Studies have indicated that dangerous to increase water temperature bacteria can form in the potable water Turn thermostat knob counter- distribution system if certain minimum clockwise to decrease water water temperatures are not maintained.
Page 64: Setting The Thermostatic Mixing Valve
Temperature Limits Setting the Thermostatic Mixing Valve NOTICE To calibrate the outlet temperature, allow the water to run for approximately NOTICE 2 minutes and measure the water with a The thermostatic mixing valve controls thermometer. To adjust the valve setting, the outlet hot water temperature deliv- rotate the knob clockwise to decrease the ered to the faucets.
Page 65: Section Xiii- Check-Out Procedures
Check-Out Procedures SECTION XIII- Check-Out Procedures during non-flow conditions for Natural and Propane. Primary and Secondary Thermostat NOTICE properly set as shown in Figure 38 and Perform the following check-out proce- 39 page 56. dures as outlined and check off items as The thermostatic mixing valve adjusted completed.
Page 66: Section Xiv - Installation Record
Installation Record SECTION XIV - Installation Record PRESTIGE Model Number: Serial Number: Date of Installation: Fuel: Natural Gas Propane Measured Rate of Input: Btu/hr Combustion Readings: The following items were completed during installation: Installation instructions have been followed and completed Check-out procedures have been followed and completed Information regarding the unit and installation received and left with owner / maintenance personal.
Page 67: Sections Xv - Maintenance Schedule
Maintenance Schedule SECTION XV - Maintenance Schedule Owner Maintenance Service Technician Daily: At least on an annual basis the following main- • Check the area around the unit. tenance should be performed by a qualified ser- • Check the combustion air inlet and ven- vice technician: tilation openings for blockage.
Page 68: Section Xvi - Maintenance Procedures
Maintenance Schedule SECTION XVI - Maintenance room from which the unit takes its com- Procedures bustion air, they must be removed immedi- ately or the combustion air intake must be relocated to another area. MAINTENANCE PROCEDURES Inspect the Burner Area WARNING Remove the burner hood and inspect the PERFORMANCE...
Page 69: Check Combustion/Ventilation Air Operating
Maintenance Procedures Check Combustion/ Ventilation Air Openings Inspect air vent and air separators in the system. Remove the caps on automatic air Verify that all combustion air and ventila- vents and briefly depress the valve stem to tion openings to the mechanical room or flush vent.
Page 70: Check Boiler Relief Valve
Maintenance Procedures Check Boiler Relief Valve Inspection of Ignition Electrode Inspect the relief valve and lift the lever to Remove the ignition electrode from the verify flow at least annually or as recom- burner mounting plate. mended on the warning tag of the valve. Remove any white oxides accumulated on the electrode using fine grit sandpaper or steel wool.
Page 71: Check Burner Flame
Maintenance Procedures Check Burner Flame Flame Signal Inspect the burner flame through the obser- The flame signal should be at least 0.6µ Α. vation port on the burner mounting plate. Refer to the PERFORMANCE Trouble- shooting Guide for information on checking If flame pattern is not fully blue and covers the flame signal.
Page 72: Section Xvii - Replacement Parts
Replacements Parts SECTION XVII - Replacement Parts NOTICE Replacement Parts Refer to pages 66 and 69 for description and replacement part numbers. WARNING Replacement parts can be ordered and purchased through a local Triangle Tube distributor. When ordering parts, spec- ify the Model Number and Serial Number.
Page 73 Replacements Parts Fig. 40: Jacket Components Item Part No. Description Quantity required by Model PG 25/ 30/35 PG 40/45 HMJKTF25 Complete Jacket Set HMJKTF35 Complete Jacket Set HMJKT25F Jacket, Front HMJKT35F Jacket, Front HMJKT25L Jacket, Left side HMJKT35L Jacket, Left side HMJKT25R Jacket, Right side HMJKT35R...
Page 74 Replacements Parts Fig. 41: Control Panel Components Item Part No. Description Operating Thermostat PGRKIT21 Primary or Secondary Manual Reset Hight Limit PGRKIT 22 Pre-set at 205ºF HMCS01 Control Panel Auto Reset High Limit PGRKIT23 Pre-Set at 194ºF Temperature / Pressure HMGAU01 Gauge...
Page 75 120 V-24 V 40VA PGRKIT18 Transformer Part No. Description HMRLV01 Pressure Relief Valve 30 psi P3AVT01 Air Vent HMVLV07 Thermostatic Mixing valve 3/4" HNSNP02 Snap sets Male / Female HMTPV01 Temperature/Pressure Relief Valve (PG-30/35/40/45 only) HMTPV03 Temperature/Pressure Relief Valve (PG-25 only)
Page 76 Fig. 43: Burner Components Item Part Number Description Where Used PGRKIT01 Gas valve replacement kit PGRKIT02 PG-25 Blower / motor replacement kit PG-25 PGRKIT03 PG-30 Blower / motor replacement kit PG-30 PGRKIT04 PG-35 Blower / motor replacement kit PG-35 PGRKIT05...
Page 77: Specifications
Specifications 3.5" 14" Domestic Domestic cold 8" 6.5" 9" 15" 11.5" 5" 22" 21" Fig. 44: Side View Fig. 45: Rear View Fig. 46: Top View 1. Primary circuit, ø 1” NPT Manual reset safety sensor & pressure indicator sen- sor, ø...
Page 78: Specifications
Specifications Table 7: Dimensional Data Type PG-25 PG-30 PG-35 PG-40 PG-45 Input Nat. Gas Btu/hr 100,000 120,000 140,000 165,000 199,000 Inner Tank Capacity Outer Tank Capacity Dimensions Inches 62.5 62.5 54.5 54.5 54.5 63.5 63.5 Vent outlet size TP Valve (domestic) ø...
Page 80 Additional quality water heating equipment available from Triangle Tube/Phase III Phase III Indirect Fired Water Heaters Exclusive Tank-in-Tank design Stainless steel construction Available in 8 sizes and 2 models Limited LIFETIME residential warranty 15 year limited commercial warranty Self cleaning/self descaling design 2”...

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