Square D LC1D25U7 Contactor 321142-301 it is not recommended for

it is not recommended for thermostats using triacs or solid-state switching without further isolation

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

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

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

Square D LC1D25U7 Contactor 321142-301 it is not recommended forThe 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