Square D LC1D25U7 Contactor 321142-301 protecting the heat exchanger and

protecting the heat exchanger and overall system integrity during the heating cycle

The Heil Quaker ICP 1147442 Orifice is a precision-engineered Natural Gas Burner Orifice designed for consistent thermal output and reliable ignition in residential and light commercial forced-air furnaces

The Bard 8612-049BX Alarm Board monitors operating conditions within the HVAC system and communicates fault or alarm signals when issues are detected

Pre-Wired for Efficiency: Comes with 21-inch leads and pin terminals for fast termination to the existing control board or harness

Square D LC1D25U7 Contactor 321142-301 protecting the heat exchanger andThe Square D LC1D25U7 is a heavy duty 3 pole IEC contactor from the reliable TeSys Deca series, engineered for high demand motor control and resistive load switching. Rated for 25A AC 3 and 40A AC 1, this unit handles 3 phase motor applications up to 15 HP at 480V and 20 HP at 600V. The 240V AC 50 60Hz coil ensures compatibility with standard control circuits, while the integrated 1NO + 1NC auxiliary contactsfeaturing a mirror certified NC