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including NAHL and PDX series models
Whether you are running field wiring for spring return actuators or non-spring return models
the U1-6D provides superior tensile strength and corrosion resistance compared to lower-quality import fittings
and industrial burner assemblies
the high-copper-content brass and precise machining meet the requirements for R410A and other high-pressure refrigerants typically found in residential and commercial service
Modine 5H0730570003 Block Vent Switch including NAHL and PDX seriesThe Modine 5H0730570003 Blocked Vent Switch is a critical safety component engineered to monitor flue gas temperatures and prevent hazardous operating conditions. This genuine OEM replacement part is specifically designed for Modine PD400 and BD400 unit heaters, serving as the direct functional successor to the legacy 5H73057 3 model. Operating as a manual reset safety switch, it is calibrated to trip when vent temperatures reach 200F (93C),