![](https://static.wixstatic.com/media/fe7171_cfcea0006d3c4d5693e7f8fd1bafef03~mv2.png/v1/fill/w_979,h_958,al_c,q_90,usm_0.66_1.00_0.01,enc_avif,quality_auto/fe7171_cfcea0006d3c4d5693e7f8fd1bafef03~mv2.png)
​
Heat Capacity (input)
-
Natural gas 13,300 - 199,900 BTU/h
Propane
-
13,300 - 199,900 BTU/h
Efficiency Ratings
-
UEF (NG & LP) 0.96
Flow Rate (DHW)
-
35°F temp rise 11.2 GPM (42.4 l/m)
-
45°F temp rise 8.7 GPM (32.9 l/m)
-
67°F temp rise 5.8 GPM (22 l/m)
Dimensions
-
17.3" W x 27.4" H x 13.2" D (43.9cm W x 69.6cm H x 33.5cm D)
Boiler Weight
-
73 lbs (33.1 kg)
Installation Type
-
Indoor or outdoor wall-hung
Venting Type
-
Forced draft direct-vent
Ignition
-
Electronic ignition
Water Pressure
-
15-150 PSI (1.055-10.545 kg/cm2)
Natural gas supply pressure (from source) 3.5 " WC to 10.5 " WC
Propane gas supply pressure (from source) 8 " WC to 13 " WC
Natural gas manifold pressure (min-max) -0.03 " WC to -0.96 " WC
Propane gas manifold pressure (min-max) -0.02 " WC to -0.96 " WC
Minimum Flow Rate
-
0.5 GPM (1.893 l/m)
Connection Sizes
-
Cold water inlet 3/4" NPT
-
Hot water outlet size 3/4" NPT
-
Gas inlet 3/4" NPT
Power Supply
-
Main supply 120V AC, 60 Hz
Maximum Power Consumption
-
200 W (max 2 A), 350 W (max 4 A) with external pump connected
Materials Casing
-
Cold-rolled carbon steel
Heat Exchangers
-
Primary heat exchanger: stainless steel
-
Secondary heat exchanger: stainless steel
Venting
-
Exhaust2" or 3" PVC, CPVC, approved polypropylene and stainless steel 2" or 3" special gas vent type BH (Class II, A /B/C)
-
Intake2" or 3" PVC, CPVC, approved polypropylene and stainless steel 2" or 3" special gas vent type BH (Class II, A /B/C)
Vent Clearances
-
0" to combustibles
High Elevations
-
10,100 feet for both NG or LP gas. Please refer to Installation Manual for additional details and instructions.
Safety Devices
-
Flame rod, APS, ignition operation detector, water temperature high limit switch, exhaust temperature high limit sensor, power surge fuse, burner high limit fuse, vent installation detector (VID)