Antunes Controls 804111709 Pressure Switch Refrigerant meaning the load relay energizes

meaning the load relay energizes when the liquid reaches the high probe

this probe monitors flame conductivity to ensure safe and reliable furnace operation

or edge curling

Rugged Construction: Plated housing and silicone diaphragm withstand operating temperatures from -40°F to 180°F

the F19-0104 is a critical truck-stock item for maintaining system pressure and temperature distribution in aging hydronic loops

Antunes Controls 804111709 Pressure Switch Refrigerant meaning the load relay energizesThe Antunes Controls 804111709 is a high performance HLGP A Series gas pressure switch designed for critical monitoring of high and low pressure limits. This specialized dual pressure switch features two independent SPDT vacuum switches, both offering a field adjustable range of 10" to 50" W. C. to ensure precise burner and boiler control. Built for industrial environments, the assembly includes a 3 8" NPT high pressure connection, a 1 8" NPT low