Use a manometer to verify the draft before replacing the switch

improper seating of the furnace burner assembly can lead to delayed ignition

Smith gas valve ensures factory-spec ignition timing and consistent hot water delivery across diverse hydronic applications

managing fuel flow for 14

ASCO 8210G100LF Valve 318973-401 Use a manometer to verifyThe ASCO 8210G100LF Valve is a high performance, 2 way normally closed solenoid valve designed for reliable flow control in demanding industrial and commercial HVACR applications. Engineered with a lead free brass body, this 2 inch NPT solenoid valve is optimized for use with air and water, supporting a wide pressure range of 5 to 150 PSI for air and up to 125 PSI for water. Operating on a 120VAC pilot operated mechanism, it ensures consistent opening