Designed for HVAC pneumatic systems

The Belimo B311B is a 1/2 inch NPT 3-way characterized control valve engineered for precision in hydronic systems

offering a single-source solution for diverse fluid control needs

Proper calibration of this gas safety switch ensures optimal fuel-to-air ratios and prevents equipment damage during low-pressure events

Reznor 258251 Replacement Kit 30067439-890 Designed for HVAC pneumatic systemsWhen the original RAM 3MC4 06 or Johnson Controls G822KCC 5401D modules fail in your CAUA units, the Reznor 258251 DSI Controller Replacement Kit is the industry standard field fix for igniter control board issues. This is a comprehensive direct spark ignition conversion kit, transitioning your equipment to the highly reliable UTEC 1097 211 (labeled UTEC ID Code 417). It is specifically engineered for Reznor gas fired unit heaters and indoor upflow