this assembly is designed to pull precise volumes of air into the combustion chamber

also frequently referred to as a personality plug

Plug-and-Play Integration: Designed for rapid field installation during commercial or residential service calls

or intermittent pressure switch fault codes caused by improper drainage

ASCO 8321G1 Valve 318973-401 this assembly is designed toThe ASCO 8321G1 Valve is a high performance 3 way normally closed solenoid valve engineered for rapid system response. This pilot operated quick exhaust valve features a 1 4" NPT connection and is designed to handle air, water, and light oil with a pressure range of 10 200 PSI. Built with a rugged brass body and durable NBR seals and discs, the 8321G1 ensures tight shutoff and reliable operation in demanding HVACR and industrial environments. The