You are buying a Pressure Switch RP2100 with Plastic Header that fits a Raypak Gas Heater System, 105B, 185, 130A, 207A, R185A, 1.75psi..
PRESSURE SWITCH IS A BARKSDALE (THE LITTLE GENERAL) SWITCH # MSPS-EE05-Q71 .5-5.0 PSI (8 MAX) MAX. TIGHTENING TORQUE 3ft. lb. USED ON THE PLASTIC HEADER FOR THE RAYPAK RP2100...
