This specific model supports local sensing and is built with high-temperature tolerant components to maintain stable burner sequencing

which significantly increases system reliability in demanding environments

as well as VA9203 and VA9208 spring return models

Smith and Lochinvar commercial and residential water heating systems requiring a #33 burner orifice

protecting the internal raceways in demanding mechanical environments

Belimo B347 Valve mario This specific model supports localThe Belimo B347 is a high performance 2 inch 3 way characterized control valve (CCV) engineered for precise modulation in hydronic HVAC systems. Designed with a 29 Cv rating, this valve features a nickel plated forged brass body and a stainless steel ball and stem, ensuring long term reliability in both chilled and hot water applications up to 250F. The A port provides an equal percentage flow characteristic for linear heat output, while the B port is