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

this kit enables precise pressure regulation within an 8" to 11" WC adjustment range

When should this burner gasket be replaced

Enhanced System Reliability: Prevents external leaks and protects sensitive internal sensor components from environmental degradation

totally enclosed design allows for mounting in any position

Trane SWT1276 Limit Switch The Mueller W04017 3/4" TeeAs 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