Mueller W01073 2-1/8 x 1-5/8 Coupling primarily within the 700 series

primarily within the 700 series and specific Unitrol configurations used in commercial boilers

How do I know if my temperature limit switch is failing

As a critical component of the combustion system

This is an automatic limit switch designed to reset itself

this is a model-specific Williams furnace part

Mueller W01073 2-1/8 x 1-5/8 Coupling primarily within the 700 seriesAs an HVACR professional, you know that the integrity of a system relies on the quality of its connections. The Mueller Streamline W01073 2 1 8 x 1 5 8 Copper CxC Coupling is a high performance wrot copper reducing coupling engineered specifically for technical HVACR piping and pressurized supply lines. This ASTM B16. 22 compliant fitting facilitates a precise reduction from a 2 1 8" OD (2" nominal) line to a 1 5 8" OD (1 1 2" nominal) line, ensuring