The well is engineered for use with all standard hydronic controls utilizing a 3-1/2" x 3/8" sensing bulb

Does this shaft include the locking keys or set screws

It ensures the correct stoichiometric ratio by meting fuel into the burner assembly at the specific pressure required for propane combustion

This Honeywell VR8204H2301 gas valve is factory-set for natural gas with a 3

Bard HVAC 8602-056-0003BX Module THPU32HP7Y The well is engineered forThe Bard HVAC 8602 056 0003BX Programmed Economizer Module is a genuine OEM control component designed to manage economizer functions in compatible Bard heating and cooling systems. This economizer control module is programmed to work with factory installed controls, helping optimize outside air utilization for improved energy efficiency and indoor air quality. By monitoring system operating conditions and controlling economizer operation, the module