When should this burner gasket be replaced

The Mueller W04017 3/4" Tee is a professional-grade wrot copper solder joint fitting engineered to ASME B16

including natural gas

For contractors performing trap surveys or routine overhaul

ensuring optimal power factor correction and motor torque

Trane SWT1276 Limit Switch When should this burner gasketAs a seasoned tech, you know that keeping a furnace from over firing starts with a reliable safety circuit. The Trane SWT1276 is a professional grade 110 140F Auto Limit Switch designed to protect the secondary heat exchanger and surrounding components from thermal runaway. This OEM Trane replacement part features a fixed 140F high limit trip point and an automatic reset that closes the SPST normally closed (NC) circuit once the plenum temperature