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PVC, CPVC, PP & SS Vent Supplement This document is intended to be used by a qualified heating contractor or service WARNING technician. Read all instructions within this document and within the PRESTIGE Boiler Installation and Maintenance Manual, before proceeding with the installa- tion.
Table of Contents PRODUCT AND SAFETY INFORMATION Definitions ............1 Installer Information .
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Table of Contents SECTION V - MANIFOLD COMBUSTION AIR Manifold Combustion Air Option for Multiple Prestige Boilers ....36 Equivalent Length of Combustion Air Manifold......36 Horizontal Termination .
Category IV (Indoor Air) installations using PVC, CPVC, PP and SS materials, for other venting Read all instructions as outlined in this manual options (materials, terminations, etc.) contact ACV- and in the boiler installation manual. Failure to Triangle Tube. comply with these instructions in the order pre- sented could result in personal injury or death.
Pre-Installation Requirements SECTION I - PRE- INSTALLATION 4. Place in operation the appliance being inspected. REQUIREMENTS Follow the lighting instructions. Adjust thermostat so appliance will operate continuously. Removal of an Existing Boiler from a Common Vent 5. Test for spillage at the draft hood relief opening after System 5 minutes of main burner operation.
Pre-Installation Requirements Vent/Combustion Air Piping and Materials PVC and CPVC Vent and Combustion Air Piping and Fittings: NOTI E PVC Schedule 40 - ANSI/ASTM D1785 PVC-DWV - ANSI/ASTM D2665 The installation must conform to the requirements of the authority having jurisdiction or, in the absence of CPVC Schedule 40 - ANSI/ASTM F441 such requirements, to the National Fuel Gas Code, ANSI Z223.1/ NFPA 54, and/or Natural Gas and...
Pre-Installation Requirements AL29-4C® Stainless Steel Vent Piping and Fittings NOTI E The following is a list of approved vent manufacturers When using stainless steel for the vent system, PVC and vent systems: or CPVC pipe meeting the listed requirements in this manual may be utilized for the combustion air piping.
Pre-Installation Requirements Vent/Combustion Air Equivalent Lengths 3 Inch Vent System Restrictions For all venting applications, PVC/CPVC, AL29-4C®, Derate the maximum boiler input of the PRESTIGE SS or Polypropylene, the maximum allowable length Solo 250 by 3% when using the maximum equiva- should not exceed those lengths listed in Table 8.
Pre-Installation Requirements Flex Polypropylene Vent System Restrictions Maintain 5/8" per foot slope back toward appliance on all horizontal runs of rigid polypropylene vent pipe. 3” Flex venting is limited up to the PRESTIGE Solo The use of a wall plate is required to seal rigid polypropylene vent pipe at the entrance of the chim- 175.
Pre-Installation Requirements Combustion Air Contamination Potential contaminating products Spray cans containing chloro/fluorocarbons WARNING Permanent Wave Solutions If the PRESTIGE combustion air inlet is located in an Chlorinated wax area likely to cause or contain contamination, the Chlorine - based swimming pool chemicals / combustion air must be repiped and terminated at cleaners another location.
Direct Vent Installation of Vent/Air Piping SECTION II - DIRECT VENT INSTALLATION NOTI E OF VENT/AIR PIPING Do not include the two 90º elbows or tee used to ter- A Direct Vent appliance utilizes uncontaminated outdoor minate the combustion air inlet exterior of the build- air (piped directly to the appliance) for combustion.
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Direct Vent Installation of Vent/Air Piping Vent Termination Combustion Air Termination Fig. 1: Direct Vent - Vertical Termination of Vent and Combustion Air Piping. Vent Termination Combustion Air Termination Fig. 2: Direct Vent - Vertical Termination of Vent and Combustion Air Piping.
Direct Vent Installation of Vent/Air Piping Direct Vent - Vent Installation - Through the Roof 6. The vent termination must also maintain the follow- 1. Vent and Combustion Air Penetration ing clearances; as shown in Fig.3. Vent pipe penetration through combustible or a.
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Direct Vent Installation of Vent/Air Piping Bird Screen Vent Termination Fig. 4: Vertical Vent Bird Screen Installation Combustion Air Termination Bird Screen Bird Screen Combustion Termination Fig. 5: Vertical Combustion Bird Screen Fig. 6: Vertical Combustion Bird Screen Installation with 90º Elbow Termination Installation with Tee Termination NOTI E Installer must install the factory supplied “bird...
Direct Vent Installation of Vent/Air Piping Direct Vent - Multiple Boiler Installation - Through NOTI E the Roof The combustion air inlet of the PRESTIGE is defined 1. On installations of multiple PRESTIGE boilers, ter- as being part of a direct vent system. It is not con- minate the vent and combustion air piping as sidered as a forced air intake.
Direct Vent Installation of Vent/Air Piping Direct Vent - Horizontal - Sidewall Determine Termination Location Locate the vent and combustion air termination using the NOTI E following guidelines: The installation must conform to the requirements of the authority having jurisdiction or, in the absence 1.
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Direct Vent Installation of Vent/Air Piping Fig. 9: Fig. 8: Direct Vent - Sidewall Termination of Vent Direct Vent - Alternate Sidewall Termination and Combustion Air Piping of Vent and Combustion Air Piping a x . 1 2 " M c m ] [ 3 0 .
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Direct Vent Installation of Vent/Air Piping Fig. 13: Direct Vent - Sidewall Termination of Vent and Combustion Air Piping with Coupling Vent Termination Fig. 12: Direct Vent - Sidewall Snorkel Termination of Vent and Combustion Air Piping with 45º Vent Termination Direct Vent - Sidewall Termination of Vent Direct Vent - Sidewall Termination of Vent Fig.
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Direct Vent Installation of Vent/Air Piping 4. The combustion air and vent pipe center lines must 6. The vent termination must also maintain the follow- be a minimum of 12” [30.5 cm] apart as shown in ing clearances; as shown in Fig.3, page 13. Figs.
Direct Vent Installation of Vent/Air Piping Direct Vent - Vent Installation - Sidewall Termination Fittings - Sidewall 1. Vent and Combustion Air Penetration 1. The vent and combustion air terminations must include a factory supplied “bird screen” installed as Vent pipe penetration through combustible or shown in Figs.
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Direct Vent Installation of Vent/Air Piping Vent Termination Vent Termination Bird Screen Bird Screen Fig. 17: Horizontal Vent Bird Screen Installation with Fig. 16: Horizontal Vent Bird Screen Installation with 45º Elbow Termination Coupling Termination Vent Termination Combustion Air Termination Bird Screen Bird Screen Fig.
Direct Vent Installation of Vent/Air Piping Direct Vent - Multiple Boiler Installation - Sidewall NOTI E 1. On installations of multiple PRESTIGE boilers, ter- Fig. 20 shows one option for vent and combustion minate each vent and combustion air pipe as air terminations of multiple PRESTIGE boilers.
Direct Vent Installation of Vent/Air Piping Direct Vent - Vertical Vent and Sidewall Combustion Determine Termination Location Locate the vent and combustion air termination using the following guidelines: NOTI E The installation must conform to the requirements of 1. The total length of the vent or combustion air piping the authority having jurisdiction or, in the absence must not exceed the limits given in Table 8 on page 8.
Direct Vent Installation of Vent/Air Piping 4. The following should be considered when deter- 6. The edge of the combustion air termination coupling mining the location of the vent and combustion air must extend to 1” [2.5 cm] beyond the exterior wall, termination: as shown in Fig.
Direct Vent Installation of Vent/Air Piping Termination Fittings Direct Vent - Multiple Boiler Installation - Vertical Vent and Sidewall Combustion Air 1. The vent and combustion air terminations must include a factory supplied “bird screen” installed as shown in Fig. 4 page 14 & Fig. 19 page 21. 1.
Category IV Installation of Vent/Air Piping SECTION III - CATEGORY IV (INDOOR AIR) Determine Termination Location INSTALLATION OF VENT/AIR PIPING Locate the vent and combustion air termination using the following guidelines: A Category IV appliance utilizes uncontaminated indoor or outdoor air (surrounding the appliance) for combustion. 1.
Category IV Installation of Vent/Air Piping Category IV - Vent Installation - Through the Roof d. Avoid locations where prevailing winds could affect the performance of the boiler or cause 1. Vent Penetration recirculation of the flue gases, such as inside corners of buildings or near adjacent buildings Vent pipe penetration through combustible or or vertical surfaces, window wells, stairwells,...
Category IV Installation of Vent/Air Piping Category IV - Multiple Boiler Installation - Through Category IV - Horizontal - Sidewall the Roof NOTI E 1. On installations of multiple PRESTIGE boilers, termi- nate each vent pipe as described in this manual. The installation must conform to the requirements of 2.
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Category IV Installation of Vent/Air Piping Determine Termination Location c. Prevailing winds could cause freezing of flue condensation and a buildup of water / ice on sur- Locate the vent and combustion air termination using the rounding plants or building surfaces. following guidelines: d.
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Category IV Installation of Vent/Air Piping Vent Termination Vent Termination Category IV - Sidewall Termination of Fig. 26: Category IV - Sidewall Termination of Fig. 27: Vent Pipe with Tee Termination Vent Pipe with Coupling Termination Vent Termination Vent Termination Category IV - Sidewall Termination of Fig.
Category IV Installation of Vent/Air Piping Category IV - Vent Installation - Sidewall 1. Vent Penetration Vent Termination Vent pipe penetration through combustible or non-combustible wall material should maintain a minimum 1/4” [6 mm] clearance for 3” and 4” PVC/CPVC vents or 1” for 2” PVC/CPVC vents. The diameter of the penetration hole should be 4”...
Category IV Installation of Vent/Air Piping Category IV - Multiple Boiler Installation - Sidewall 1. On installations of multiple PRESTIGE boilers, ter- minate each vent pipe as described in this manual. 2. The wall penetration of the vent should be a mini- mum 12”...
Installation Requirements SECTION IV- INSTALLATION REQUIREMENTS 3” to 2” (60 mm) Vent/Combustion Air Transition 2 Inch Vent Pipe PVC or CPVC Material NOTI E This section outlines the installation of Venting and Combustion Air for the PRESTIGE 60, 110 and 2 Inch Vent Pipe EXCELLENCE when the vent system must transition Min.
• The 4” (100 mm) vent should not transition back to 3” (80 mm) vent at any point in the vent system except when using ACV - Triangle Tube’s optional WARNING PVC concentric vent termination kit, see kit instruc- tions for details.
Installation Requirements Vent and Combustion Air Piping Installation Guidelines NOTI E PVC/CPVC Vent System Pipe hangers should not be tightly clamped to pipe to allow for thermal expansion/contraction move- 1. The installer should install the vent / combustion air ment. Pipe clamps or hangers should not contain piping working from the boiler to the piping termination.
Manifold Combustion Air SECTION V - MANIFOLD COMBUSTION AIR The bottom of the common combustion air termi- nation (inlet) must be located 12” (30.5 cm) mini- Manifold Combustion Air Option for Multiple mum above grade/highest anticipated snow level. Prestige Boilers The common combustion air termination must be a Common combustion air manifold is restricted to hor- minimum of 3 feet (0.9 m) below (vertically) any...
Commonwealth of Massachusetts SECTION VI - COMMONWEALTH OF NOTI E MASSACHUSETTS The carbon monoxide detector and alarm installed within the same room as the direct vent appliance Installations with the Direct Vent Termination must meet ANSI/UL 2034 standards and comply with Elevation At or Below 4 feet of Grade: NFPA 720 (2005 edition).
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Commonwealth of Massachusetts Installations with the Direct Vent Termination 3. The direct vent termination must be approved for the Elevation Above 4 feet of Grade: appliance and when applicable the combustion air inlet must be approved for the appliance. Installation of the vent termination and combustion NOTI E air inlet shall be in strict compliance with the instal- lation instructions provided with the appliance.