specifically the DML 083 model

The Reznor 203933 Pressure Switch is a critical safety component designed for precise airflow monitoring in commercial and industrial heating and ventilation systems

allowing you to trigger a gas valve or boiler control while simultaneously powering a 120V pump

Is this a genuine Copeland part

the unit must never be left in operation without a functional 97J49 limit switch due to fire and equipment failure risks

Square D LC1D25U7 Contactor 323613-751 specifically the DML 083 modelThe 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