Honeywell 23176CF Potentiometer

The Honeywell 23176CF Potentiometer is a field-replaceable 135-ohm assembly engineered for Honeywell L91B and L91D series Proportioning Pressuretrol½ Controllers. This OEM-grade HVAC component translates the mechanical motion of the internal bellows into a precise electrical signal, enabling accurate pressure modulation in industrial steam and combustion systems. Designed with a size #37 wire and a 1/4-inch active winding length, the 23176CF functions as a critical link in the electric bridge circuit between the controller and Series 90 modulating motors. This 135-ohm industrial potentiometer is essential for contractors maintaining proportional firing rates in burners, ensuring seamless resistance variations between terminals R, B, and W. By facilitating fine-tuned throttling adjustments, this part maintains the stability of the pressure loop in commercial boiler applications. Whether you are performing a routine service or a critical repair, utilizing a genuine Honeywell replacement part ensures full compatibility with the existing linkage and prevents calibration drift within the proportioning range.

• Direct Compatibility: Specifically designed for the L91B and L91D series controllers, ensuring a perfect mechanical and electrical fit.
• Precise Modulation: Provides a 135-ohm (nominal 140-ohm) resistance range for accurate signal transmission to Series 90 motors.
• Rugged Construction: Features high-quality #37 wire windings built to withstand the continuous movement of pressure control cycles.
• System Efficiency: Enables fine-tuning of the throttling range to optimize burner firing rates and reduce fuel consumption.

Is the Honeywell 23176CF compatible with L91A models?
No, the 23176CF is specifically for L91B and L91D models. L91A models typically utilize the 23176CB potentiometer, which has a different winding length.

Can I use this potentiometer for remote setpoint adjustment?
Yes, this component is frequently used in remote setpoint adjustment applications where the resistance signal must be accurately mirrored at the modulating motor or valve actuator.

What symptom indicates this part needs replacement?
A failing potentiometer often causes "hunting" or erratic movement in the modulating motor, or a total failure of the motor to respond to pressure changes at the controller.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.