Fail-Safe Security: The spring return open mechanism ensures the damper opens automatically if control power is lost

providing an exact mechanical match for legacy HVAC installations

setpoint adjustment

Where should the actuator be oriented during installation

the 632636 pressure switch offers a seamless fit with standard 1/4" quick-connect terminals and a durable diaphragm assembly capable of withstanding high-cycle demands in residential gas furnaces and mobile home heating applications

Resideo SV9510K2539 Smart Valve 321894-709 Fail-Safe Security: The spring returnThe Resideo SV9510K2539 Smart Valve is a reliable, high performance gas control solution designed to integrate modulation and direct hot surface ignition (HSI) sequencing into a single, compact unit. Engineered for 24 Vac applications, this intermittent pilot gas valve handles natural gas for furnaces, boilers, and commercial water heaters. It features a slow opening characteristic to ensure a soft ignition and minimize combustion stress, with a 3. 5"