The TEAO (Totally Enclosed Air Over) enclosure ensures the internal windings remain protected from environmental debris

5 psig/°F factory setting with field-adjustable sensitivity to eliminate hunting in the pneumatic loop

Rugged Construction: Built with high-grade silicon carbide to withstand rapid thermal cycling and high-velocity gas streams without premature fracturing

It is compatible with nearly all Honeywell Analytics and Vulcain systems

you need an exact replacement to ensure the burner manifold pressure remains within spec

Siemens Building Technology 277-03113 Valve Assembly 318973-401 The TEAO (Totally Enclosed AirThe Siemens Building Technology 277 03113 Valve Assembly is a heavy duty 2 way normally open globe valve designed for demanding HVACR and process control applications. Engineered for precision, this 1" NPT pneumatic valve features a 10 Cv equal percentage flow characteristic, ensuring stable modulating control of saturated steam, water, and glycol solutions up to 50%. The rugged bronze body is paired with stainless steel trim to provide superior