Smith gas valve ensures exact fitment and restores original equipment performance

while the 24-inch length provides ample surface area for attracting corrosive elements that would otherwise compromise the steel tank lining

this switch monitors the negative pressure generated by the inducer motor to verify proper venting before allowing ignition

an obstructed secondary heat exchanger

Modine 5H0757690008 Limit Switch 318820-201 Smith gas valve ensures exactThe Modine 5H0757690008 is a high precision L185 40F high limit switch engineered as a critical safety safeguard for residential and commercial heating equipment. This OEM Modine replacement part is built to monitor internal heat exchanger temperatures, triggering a system cutout if levels exceed the 185F threshold. Once the unit cools to the 40F reset point, the switch allows for system re engagement. Designed for heavy duty HVAC furnace safety