Siemens Combustion QRA75.A17 Detector 328140-751 Water Hammer Prevention: Thermal wax

Water Hammer Prevention: Thermal wax technology ensures gradual actuation

which must be selected based on your specific motor shaft diameter

The Bradford White 239-46990-01 Gas Valve is an OEM replacement Honeywell water heater thermostat specifically engineered for atmospheric vent water heaters

For technicians looking to minimize callbacks

Siemens Combustion QRA75.A17 Detector 328140-751 Water Hammer Prevention: Thermal waxThe Siemens Combustion QRA75. A17 is a high precision, self checking UV detector engineered specifically for continuous duty industrial burner applications. Designed for the supervision of gas and oil flames, this ultraviolet flame detector utilizes a high sensitivity UV cell to monitor combustion and ignition spark proving with professional grade reliability. Operating at AC 120 V, the QRA75. A17 features a 69mm detector tube and a built in stepper