the D15 series is the standard for multipole relays requiring high reliability in inductive load switching

Direct OEM Replacement: Guaranteed compatibility with the Knight WH155

Seamless Compatibility: Direct fit for International Environmental fan coil units and air handling equipment

Start by verifying 24VAC power supply at the terminals and checking for burnt circuits or corroded pins

Can I use this actuator on valves with a stroke longer than 1

Liebert 136965P1 Safety Switch R-22 the D15 series is theReplace failing components with the Liebert 136965P1 Safety Switch, a precise 105F thermal safety switch designed for critical temperature monitoring in high performance environmental control systems. This OEM Liebert replacement part operates as a single pole single throw (SPST) thermal limit, engineered to interrupt power to the control circuit once the 105F threshold is reached. Maintaining the HVAC safety limit is essential for protecting