125VP Technical Support
Online Technical Support from Bosch Water Heaters
 
   
   Specifications

Power Input

25,000 - 125,000 Btu

Minimum Flow to Activate

0.75 gallons per minute (gpm)

Flow Rates

45°F rise @ 4.18 gpm
90°F rise @ 2.09 gpm

Dimensions

Height: 27.5"
Width: 17"
Depth: 9.5"

Weight

37 lbs.

Modulating Gas Valve

Yes

   Installation Specifications

Gas Connections ¾" Male NPT
Water Connections ½" Male NPT
Natural Gas Pressure Minimum: 7" WC
Maximum: 14" WC
LP Gas Pressure Minimum: 11" WC
Maximum: 14"
Water Pressure Minimum: 15 PSI
Maximum: 150 PSI
Electrical Supply None
Vent Size 5" (double wall type B)
Vent Termination

Vertical

 

   
125VP Tech Support
 

Note: Specifications and product information subject to change without notice.