Product Overview

35 1/2” [902 mm]
15 3/8” [392 mm]
8 1/2” [216 mm]
9 7/8” [251 mm]
2 1/4”
[56 mm]
3”
[76 mm]
1 ” NPT CH &
DHW Supply
1/2” NPT Gas Connection
3/4” NPSC Pressure
Relief Valve
3” Combustion AIr Inlet
3
” Vent Outlet
19 3/4” [502 mm]
7 3/8” [186 mm]
1” NPT Boiler Return
11 3/8” [289 mm]
1 7/8”
[48mm]
15 5/8” [396 mm]
9 1/2” [242 mm]
2 1/4”
[58mm]
12” [306 mm]
1
” NPT Boiler Return
1” NPT CH Supply
1” NPT DHW Supply
1/2” NPT Gas Connection
3” Vent Outlet
3
” Combustion AIr Inlet
3/4” NPSC Pressure Relief Valve
2
Boiler Specifications
Side View
Front View
Model Fuel
Input
Modulation
(MBH)
AFUE
DOE
Heating
Capacity MBH
Net
I=B=R
Boiler
Water
Volume (gal)
Supply
Return
Connection
Gas
Connection
Vent/Air
Diameter
Weight
Lbs
PT110 Natural Gas 30 - 110 96% 99 86
2.5 1” 1/2” 3” 106
PT110LP Propane Gas 25 - 97 96% 87 76
Pressure Drop Curve vs Grundfos UPS 15-58-FC
Delta T GPM
Available System Head (Feet)
Spd1 Spd2 Spd3
20 8.7 --- --- 4.5
30 5.8 1.7 7.7 11.2
40 4.3 4.7 10.9 14.2