It means the switch opens (breaks the circuit) when the temperature hits 240°F and automatically resets (closes) after the temperature drops by 40°F

Professionals utilize this refrigerant access valve for its robust construction and compatibility with all common refrigerants

Can this coupling be used with copper tubing

Common Questions Can this bracket be used with other sensor brands

Williams P100100 Door Gasket It means the switch opensThe Williams Furnace Company P100100 Door Gasket is a critical high temperature seal engineered specifically for the pilot observation door. In the field, a compromised gasket leads to immediate combustion inefficiencies, drafts, and potential safety hazards by disrupting the sealed combustion chamber's pressure. This genuine Williams P100100 component is constructed from industrial grade refractory material designed to maintain its structural