providing the 24V power and dry contact switching required by modern thermostats to control 120V equipment

What is the difference between the 3B1B and the older 3B1A

The Johnson Controls VA9203-BGA-2 is a professional-grade spring return direct coupled actuator engineered specifically for on/off control of VG1000 Series ball valves up to 1 inch

The York S1-024-19082-017 Heat Relay is an essential OEM replacement part engineered for precise thermal management in residential and commercial HVAC systems

The York 026-37563-000 Filter Drier serves as a critical frontline defense for commercial and industrial refrigeration circuits

Auburn FRS-9 Flame Rod R-448A providing the 24V power andThe Auburn FRS 9 Flame Rod is a critical industrial flame sensor designed for high temperature applications in burner control systems. Engineered by Auburn, this flame ionisation rod provides reliable flame detection for commercial and industrial furnaces, heaters, and boilers. Built with high grade materials to withstand extreme thermal stress, the FRS 9 ensures consistent signal feedback to the burner management system (BMS). As a trusted furnace