For 5/8" or 7/8" suction lines

this is specifically a 1 HP unprogrammed control module

the 157S-M is the direct environmental and technical replacement for discontinued mercury-style controllers

High-Quality Hardware: Features durable polyurethane and cal-kit tubing to prevent gas adsorption or leakage during field bump testing and full calibrations

It is built to operate within strict factory gas pressure parameters to prevent soot buildup or rollout on the heat exchanger

Trane SFCTR3P60A24VL Contactor 322027-701 For 5/8" or 7/8" suctionFor service technicians and mechanical contractors managing high capacity HVACR systems, the Trane SFCTR3P60A24VL Contactor is a critical power distribution component for maintaining operational stability. This industrial grade definite purpose contactor is engineered to handle massive electrical loads, featuring a 60 amp full load amperage (FLA) rating and a 240 LRA capacity for heavy duty starting current. The 3 pole configuration allows for