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2.6 Gas Piping Considerations
Before making the gas hook-up, make sure the boiler is being supplied with the type of fuel shown on
the boiler nameplate.
The boiler shall be installed such that gas ignition system components are protected from water
(dripping, spraying, rain, etc.) during appliance operation and service (circulator replacement, control
adjustment, etc.).
2.7 Water Quality Standard
boiler's heat exchanger is made of stainless steel. The heat exchanger requires
®
The P-K SONIC
proper water
conditions to remain efficient and function properly. For more information, refer to Harsco
Industrial, Patterson-Kelley's Water Quality Standards for Hydronic Boilers in Multi-Metal Systems in
Appendix C – Water Quality Standards Quality Standards for Hydronic Boilers in Multi-Metal
Systems, as this applies to the warranty of your heat exchanger.
NOTE: Failure to maintain the water quality according to the requirements of the multi-metal
systems water quality standards can void the heat exchanger warranty.
3 Installation
3.1 Overview
For site preparation follow the guidelines established in Section 2. Section 3 details the installation
requirements for electrical connections, combustion air, and flue vent piping, hydronic piping, etc.
3.2 Appliance Connections
The table below summarizes the appliance connections to the P-K SONIC
Boiler Model
Power Requirement
Air Intake Connection
Nominal Exhaust Vent
Connection
Condensate Drain
Heat Exchanger Drain
Natural Gas Shutoff Valve
Propane Gas Shutoff Valve
HWR Connection
HWS Connection
Revised: June 2, 2017
Released: June 2, 2017
Supplying a fuel other than that shown on the appliance's
nameplate can lead to over firing of the appliance. This can
cause damage to the equipment which could result in serious
injury and/or death.
SC-1500 & SC-2000
208-240/1/60 VAC
1-1/2" NPT-F
1-1/2" NPT-F
3" Grooved (Stainless Steel)
3" Grooved (Stainless Steel)
HARSCO Industrial, Patterson-Kelley 2017
All Rights Reserved.
P-K SONIC
Technical Service 1.877.728.5351
®
series boilers:
SC-3000 & SC-4000
208-240/3/60 VAC -or-
440-480/3/60 VAC
12"
10"
3/4" Flexible Tubing
3/4" NPT-F
1-1/2" NPT-F
4" Grooved (Stainless Steel)
4" Grooved (Stainless Steel)
1004905978 P-K SONIC NURO Installation and
Owners Manual (Rev F Jun-2017).docx
®
Gas Fired Boiler
2" NPT-F
Page 11
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