the 23739 is a functional equivalent to several industry-standard igniters

providing a reliable safety interlock for HVAC and energy management applications

Propane (LP) conversions require a different orifice size and specific LP conversion kits to account for higher gas density

interrupting the burner or heating elements when internal temperatures exceed safe thresholds and automatically resetting once the system cools to approximately 120°F

but for HVACR applications

KMC Controls VTD-9426 Diaphragm the 23739 is a functionalThe KMC Controls VTD 9426 Diaphragm is a heavy duty, 6 inch replacement engineered specifically for pneumatic actuator field service and maintenance. Designed for high cycle industrial and commercial environments, this replacement diaphragm ensures tight pressure regulation and fluid control within legacy and modern HVAC configurations. It is fully compatible with MCP 06XX series and MCP 1060 1106 pneumatic damper actuators, providing the necessary