verify the differential pressure at the switch ports using a manometer
if the limit switch is open or has failed due to high resistance
Field-Ready Hardware: Supplied with all necessary clips
this direct replacement pressure switch ensures the heating system maintains its AFUE rating and operational safety margins without the drift often associated with universal aftermarket alternatives
Industrial Durability: Rugged DPDT contact mechanism built to withstand the frequent cycling of commercial heating applications
Robertshaw 710-218 Valve Els PW 17895 verify the differential pressure atThe Robertshaw 710 218 Gas Valve is a low capacity gas control engineered for tight clearance installations in residential and commercial heating. This 7000SLC factory model features a 3 8" straight thru outlet and a 36" capillary, providing a 100F to 250F temperature range. Designed for versatility, this Robertshaw 710 series valve handles natural gas, LP, and manufactured gases, making it a reliable HVAC replacement part for furnaces, space heaters,