P-K SOLIS™
Gas Fired Boiler
Technical Service 1.877.728.5351
Revised: March 15, 2021
Released: March 15, 2021
Patterson-Kelley 2021
All Rights Reserved.
2701000090 P-K SOLIS NURO Installation and
Owners Manual (Rev A).docx
Page 43
Boiler Water Piping
The boiler piping system of a hot water heating boiler connected to heating coils located in air handling
units, where they may be exposed to refrigerated air circulation, must be equipped with flow control
valves or other automatic means to prevent gravity circulation of the boiler water during the cooling
cycle.
N
OTICE
!
Condensate Trap must be piped to
condensate neutralization tank & floor drain
in accordance with all national, state, and
local codes. Heat trace may be required to
prevent freezing in un-insulated spaces.
N
OTICE
!
The SOLIS boilers are furnished with 3”
flanged connections.
Install Section VI Relief Valve
Outlet (Supply)
Inlet (Return)