Enhanced Durability: The potted design is specifically built for 120V gas-fired equipment exposed to grease and humidity

If the noise is caused by a warped or cracked shroud

The Armstrong Furnace ALPKT574-3 Conversion Kit is a critical component for field-converting high-efficiency gas furnaces from natural gas to liquid propane (LP) operation

Common causes include liquid slugging

Siemens Building Technology QFM3171 Sensor 319847-401 Enhanced Durability: The potted designThe Siemens QFM3171 is a high precision duct relative humidity and temperature sensor designed for demanding HVAC applications where signal stability is paramount. Engineered for seamless integration into building automation systems (BAS), this unit provides dual 4 20mA output signals for both humidity and temperature, ensuring reliable data transmission even over long cable runs. For technicians performing retrofits, the QFM3171 serves as the direct