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Bosch WR125-K On Demand DHW Heater Page
 Small and compact, this unit is popular in cottages, R.V, and marine, hot tubs, portable bush showers, animal grooming, mobile food service trucks, and other smaller applications.

This unit is "NOT SUITABLE" for single family residential or commercial/industrial applications.

 
Who Should Own One?
Technical Specifications:
Fuel Types Available: Natural Gas, Propane
Rated Input (BTU/hr.): 40,000
Minimum Input (BTU/hr.): 20,000
Thermal Efficiency/Energy Factor: 82% / N/A
Fuel Consumption: 18.6 to 37 (CuF/hr) NG /
0.9 to 1.85 (lbs/hr) LP
Ignition Type: piezo with pilot
Max flow rate at 45F temp rise (GPM) 1.3
Max flow rate at 100F temp rise (GPM)    0.6
Minimum Flow Rate (GPM) 0.5
Dimensions 25 3/8" x 10 5/8" x 9 1/8"
Shipping Weight 25 lbs.
Flue Size 4"
Water Inlet & Outlet (NPT) 1/2 inch
Gas Inlet (NPT) 1/2 inch
Water Pressure Range 13 - 150 psi
Inlet Pressure Required 11 inches W.C. LP /
7 inches W.C. NG
NG & LP On Demand Boilers Natural Gas & Propane On Demand Boilers & DHW Heaters
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No Utility Bills Inc. All rights reserved. Last modified: 10/19/24