New REGO PRV19432T550 Pressure Relief Valve Drain Hole 1/4" Inlet Brass 550 PSI - International Society of Hypertension
Appli Parts APPS-550450 Hi Pressure control switch R410, Open 550 psi, Close 450 psi, 40 in Cable, SPST, 1/4 SAE female connection, Automatic Reset, universal replacement for Air Conditioning Applications