Always verify that your specific float and valve seals are rated for your system's peak operating temperature

Since this is a normally closed (NC) switch

remove the wire leads and use a multimeter set to Ohms

If the circuit remains open while the system is cool and the button is depressed

66 Amp rating of this transformer

Emerson Alco 806730 Ball Valve Always verify that your specificThe Emerson Alco 806730 is a high performance 1 4" ODF sweat refrigeration ball valve engineered for critical isolation in HVACR systems. Operating as a direct replacement for the legacy 064383 model, this BVE 014 manual shut off valve is designed for high pressure applications with a 650 PSI maximum working pressure. The full port design ensures minimal pressure drop and maximum flow capacity, making it essential for liquid, suction, and hot gas line