and Comfortmaker furnace parts directories

Key Benefits: Precise Thermal Feedback: Engineered to provide the high-accuracy resistance data required by the boiler control module for efficient burner modulation

the AFS-405 air pressure switch provides the versatility required for complex air-handling unit (AHU) configurations where consistent air flow proving is mandatory for system safety and performance

Broad Compatibility: Fully compliant with ASME B16

The take-apart construction allows for full interior access without pumping down the system

Honeywell 313744A Replacement Assembly 30067439-890 and Comfortmaker furnace parts directoriesWhen you're dealing with a failing Honeywell VP519 series valve, the Honeywell 313744A Replacement Assembly is the direct OEM solution required to restore precise fluid control without replacing the entire valve body. As a pneumatic actuator designated for "used with VP519 series valves," this assembly ensures a seamless mechanical interface and maintains the original flow characteristics of your hydronic or steam system. This replacement actuator is