the internal spring mechanism force-rotates the shaft to the counter-clockwise start position

As a direct replacement for the VA-201C-AC

including both wall-mount (0N0BT) and duct-mount (0N00P) versions that output a 0-10 Vdc signal

always verify your specific model's wiring diagram to ensure a 3k ohm thermistor is required rather than a 5k or 10k variant

connected to the sensing probes via pneumatic tubing

Omron LY3-AC24 Relay 323055-751 the internal spring mechanism force-rotatesThe Omron LY3 AC24 is a robust 3PDT general purpose relay engineered for heavy duty switching in industrial HVACR and automation control circuits. Operating on a 24Vac coil voltage, this triple pole double throw relay features a 10A contact rating, making it a reliable choice for managing inductive loads and multi circuit logic. Designed with plug in solder terminals, it offers versatile installation options whether you are utilizing a matching PTF