providing reliable performance for air proving in electric duct heaters and variable air volume (VAV) systems

making it a plug-and-play replacement for service calls

Why is my unit heater tripping the pressure switch

it provides critical overheat protection by opening the circuit at a fixed open temperature of 200°F

the AFS-460 is versatile

Conbraco 10-614-12 Valve 30067439-890 providing reliable performance for airThe Conbraco 10 614 12 (also known as the Apollo 10 614 12) is a high capacity ASME Section IV safety relief valve designed specifically for the protection of hot water heating boilers and large scale hydraulic systems. Featuring a 3 4" FNPT inlet and an oversized 1" FNPT outlet, this valve is factory set at 60 PSI to manage high volume discharge requirements. It delivers a substantial 1,641,000 BTU hr capacity, making it a critical component for