Pay in 4 interest-free payments of $49.05 Learn more
Ships within 48 hours · Estimated delivery Sep 13 - Sep 18
Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Precision Fit: Genuine 100187890 OEM component ensuring correct threading and depth for BTH/SUF/HCG models
Durable Construction: Built with high-quality materials to withstand the humid environment found within air handlers
System Compatibility: Fully compatible with Maxitrol Selectra Series 94 amplifiers and modulating gas valves
maintaining the exact 1/2" x 1/2" NPT connection specs required for a drop-in installation without manifold modification
If voltage is present but the motor does not engage
Belimo TFRB24-SR-S Actuator 320788-703 Precision Fit: Genuine 100187890 OEMThe Belimo TFRB24 SR S is a spring return actuator designed for modulating control in HVAC systems. Operating on a 24V AC DC power supply, it utilizes a 2 10VDC control signal to provide precise proportional positioning of dampers or valves. With a 22 in lb torque rating, this fail safe actuator ensures reliable closure during power loss, making it essential for mechanical rooms requiring strict safety protocols. This model includes an integrated
US$ 24.90
US$ 22.90
US$ 24.90
US$ 25.90
US$ 24.90