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additional high-altitude propane orifices may be necessary to compensate for thinner air and maintain proper burn
Key Benefits Universal Compatibility: Approved for use with high-pressure refrigerants and modern low-GWP blends
ensuring it meets rigorous industrial safety standards for burner and boiler applications
supporting systems up to 2
How do I verify if the Robertshaw 1720-801 is faulty
Lochinvar & A.O. Smith 100109816 Pressure Switch Els PW 29614 additional high-altitude propane orifices mayThe Lochinvar & A. O. Smith 100109816 Pressure Switch is a critical OEM replacement part engineered for precise atmospheric monitoring in high efficiency commercial water heaters and boilers. Calibrated to a 6. 5" WC (Water Column) set point, this differential pressure switch acts as a safety critical flue prover, ensuring the combustion blower is generating sufficient negative pressure to safely vent exhaust gases. Designed for compatibility with
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