always verify your specific actuator's bolt pattern and stroke length

including both tri-state (floating) and proportional (0-10 VDC/4-20 mA) models

providing overhead for varying equipment specs

It should be wired in series with the burner control circuit to ensure power is cut immediately upon a high-temperature event

or fan banks

Venstar VST2300FS Prog Thermostat R-410A always verify your specific actuator'sThe Venstar VST2300FS is a professional grade, 7 day programmable thermostat engineered for 2 heat and 2 cool stages. As the direct field replacement for the 33CS250 FS and P374 1000FM, this unit integrates seamlessly into existing footprints while providing upgraded logic for HVAC energy management. Designed for reliability in demanding environments, it features a backlit display for low light mechanical rooms and non volatile memory to retain