Featuring a 3/4" FNPT inlet and a 3/4" MNPT union tailpiece

Replacement cartridges generally require specific O-rings for a leak-proof seal

the FUS1329 provides a reliable "open" state once triggered

System Longevity: Helps protect secondary heat exchangers and internal components from heat-induced fatigue and melting

The Aaon R90510 is a high-reliability 24V DPDT Power Relay engineered for heavy-duty switching in commercial HVAC applications

Modine 3H0346700007 Conversion Kit Els PW 17895 Featuring a 3/4" FNPT inletOptimize your heating equipment for liquid propane with the Modine 3H0346700007 Conversion Kit. This precision engineered kit is the direct replacement for 28049, specifically designed for the Modine PDP175 gas fired unit heater. As a veteran grade Modine unit heater propane conversion solution, it includes the necessary high quality brass orifices, a conversion spring kit for the gas valve, and a detailed rating plate to ensure a safe and compliant