Raypak Pressure Switch For Low Nox Heaters | 006737F Pentair SW-21-151 does hdf400 need both sensor

does hdf400 need both sensor and ignitor

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Raypak Pressure Switch For Low Nox Heaters | 006737F Pentair SW-21-151 does hdf400 need both sensorThe OEM Raypak Pressure Switch, model 006737F, is engineered for use with Low Nox Heaters, ensuring safe and efficient operation. This pressure switch monitors the water pressure within the heater, automatically shutting it down if pressures fall outside the optimal range to prevent potential damage and ensure user safety. Constructed from robust materials, the 006737F is built for long lasting performance and reliability. Easy to install and replace,