Phase Failure Protection: Integrated differential detection automatically identifies phase unbalance to prevent single-phasing damage

Is the sensing bulb included with this thermal expansion valve

For multi-stage or supplemental heat applications

such as the TS194Q or TS394

Belimo B217B Valve R-22 Phase Failure Protection: Integrated differentialWhen you're spec'ing out a reliable control valve for hydronic systems, the Belimo B217B valve is a solid choice. This 2 way ball valve is engineered for precise flow regulation in various HVAC applications, from air handling units and fan coil units to VAV box re heat coils and bypass loops. With a 3 4 inch NPT connection and a Cv of 4. 7, it's designed to handle chilled or hot water up to 250F (120C) and glycol solutions up to 60%. The equal