Hot Water Pump
Water from the heater is piped to the hot water pump, which is located most often under the running board on the left side of the engine just aft of the smoke box area. This working unit will pump over 100 cubic inches of water per minute into you boiler with a boiler pressure of 125 psi.
The pilot valve has been redesigned so that the pump will not short stroke.

The kit consists of 12 lost-wax castings in silicon bronze, gasket material (750°F capability), 8 stainless steel valve springs, 10 rubber valve disks, nameplate (0.5" x 0.9"), water seals, and 33 drawings.
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Back in stock May 1, 2025