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Ships within 48 hours · Estimated delivery Sep 16 - Sep 21
Durable Construction: Zinc-plated housing and high-quality diaphragm ensure long-term performance in demanding HVACR environments
Common Contractor Questions: Is the X22440B4B cage compatible with non-Alco valve bodies
Key Benefits Precision Flow Control: Specifically designed for the Sensus 243 architecture to provide linear regulation and stable lock-up
ensuring reliable fail-safe positioning and torque monitoring during power loss events
High Efficiency: The 30W 4-pole design provides reliable rotational speed for consistent CFM delivery
Belimo B211+TFRB24-SR Valve Assembly 321894-709 Durable Construction: Zinc-plated housing andThe Belimo B211+TFRB24 SR is a precision engineered 2 way characterized control valve assembly designed for modulating control in high performance hydronic systems. This 1 2 inch NPT valve features a stainless steel trim and a 1. 9 Cv rating, ensuring durable operation and tight shut off in air handling units and VAV reheat coils. Paired with a TFRB24 SR spring return actuator, the assembly provides 22 in lb of torque and reliable fail safe
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US$ 1810.78