This water circulator pump is designed to move fluids through an HVAC system

Key Benefits Multi-Circuit Control: The 4PST (Four-Pole Single-Throw) configuration allows you to switch up to four circuits simultaneously

any breach or sharp restriction will render the sensor inoperable and the control useless

mitigating lockout issues commonly associated with carbon buildup or element degradation in older units

this permanent split capacitor (PSC) motor delivers the reliable torque required for consistent airflow in fan coil units and PTAC systems

Lochinvar & A.O. Smith 100110176 Limit Switch 323269-701 This water circulator pump isThe Lochinvar & A. O. Smith 100110176 Limit Switch is a critical safety component designed for high performance commercial and residential water heating systems. As a fixed high limit control, this SPST (Single Pole, Single Throw) device features a manual reset mechanism, ensuring that the system remains offline for professional inspection should temperatures exceed the safety threshold. Engineered for precision, the 100110176 limit control is