Conbraco 18C-512-3-150 Valve 321702-401 always use a new high-temp

always use a new high-temp gasket (sold separately) to ensure a proper seal

Durable Ceramic Insulation: High-grade materials prevent internal shorts and withstand the thermal stress of the burner assembly

this thermostatic expansion device provides superior control over refrigerant flow

heat-resistant polymers to withstand the thermal stresses of continuous furnace cycles

Conbraco 18C-512-3-150 Valve 321702-401 always use a new high-tempThe Conbraco 18C 512 3 150, a high capacity Apollo 18C 500 series temperature and pressure relief valve, is engineered specifically for the protection of commercial grade hot water heaters and storage tanks. Featuring a 3 4" Female NPT inlet and outlet, this automatic T&P valve is factory set to discharge at a 150 PSI relief pressure and a temperature of 210F. With an impressive ASME Section IV certified capacity of 1,912,000 BTU hr, it is a critical