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Always verify your specific boiler model and series against the manufacturer's parts list
handling maximum water temperatures up to 240°F and system pressures of 50 PSI
Is the 257009 compatible with both natural gas and propane heaters
is a White Rodgers 36J54-504B1 equivalent
Precise Actuation: Calibrated to
Grundfos 99463939 Pump 318973-401 Always verify your specific boilerThe Grundfos 99463939, also known as the JP PS 16 05 154, is a heavy duty, self priming shallow well jet pump engineered for contractors who require high pressure reliability in residential and light commercial water transfer. Built with a corrosion resistant stainless steel housing and a composite technopolymer impeller, this 1 2 HP jet pump is designed to handle demanding suction lifts up to 26 feet. The unit features dual voltage capability,