5 to 3-ton AC units

potentially causing damage to the unit before the switch triggers

Frequent tripping is often indicative of flame rollout

For contractors performing furnace troubleshooting or HVAC system maintenance

Superior Sealing: High-grade EPDM O-rings resist mineral build-up and thermal degradation in hot water and 2-pipe low-pressure steam systems

Lochinvar & A.O. Smith 100208443 Valve 5 to 3-ton AC unitsAs a seasoned technician, you know that maintaining system integrity starts with high quality safety components. The Lochinvar & A. O. Smith 100208443 Valve is a 3 4" x 1" 150# T&P relief valve designed specifically for commercial and residential water heating applications. Built to handle a 95,000 BTU capacity, this valve provides critical overpressure and over temperature protection. It features a robust bronze body and a reliable thermal element