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The 100172002 is factory-set for natural gas
Its primary function is to monitor the inducer motor and ensure it creates the necessary vacuum for safe flue gas exhaustion
Always verify the serial number on the boiler cabinet before installation
this valve is a staple for contractors prioritizing energy-efficient HVAC valve installations
Belimo B211B+TR24-3 Actuator 326070-701 The 100172002 is factory-set forThe Belimo B211B+TR24 3 is a precision engineered 1 2 inch 2 way characterizable control valve paired with a TR24 3 non spring return actuator. Designed for demanding HVAC applications, this assembly features a 1. 9 Cv rating and utilizes a specialized Acuradisc to maintain a true equal percentage flow characteristic. This configuration ensures stable control loop performance and eliminates the "hunting" common in low flow hydronic systems. The 24V AC