Conbraco 18C-521-3-150 Valve 320788-703 With manual or automatic heat/cool

With manual or automatic heat/cool changeover and the proprietary VersaSpeed fan ramping technology

this 025-27924-000 heater features a rugged construction that resists corrosion and thermal fatigue

the internal electronics feature accessible zero and span trim POTs for fine-tuning the 4-20 mA signal after the unit is mounted in its permanent vertical position

High Air Capacity: Capable of delivering 1728 scim @ 20 psi

it features a standard 7

Conbraco 18C-521-3-150 Valve 320788-703 With manual or automatic heat/coolThe Conbraco 18C 521 3 150 is a high capacity ASME Section IV certified temperature and pressure relief valve designed specifically for commercial hot water heaters and storage tanks. Built with a rugged ASTM B584 bronze body and brass trim, this Apollo TPC series valve provides critical safety overpressure protection. It features a 1" Male NPT inlet and a 1" Female NPT outlet, factory set to 150 PSI and 210F. With a massive 2,155,000 BTU steam