This item is the replacement pan only

75" outside diameter and reduce heat buildup compared to standard wrap-molded belts

Perform a continuity check across the terminals when the system is cool

This heavy-duty cast iron replacement part is engineered specifically for the 42S Series

it features a rugged resistive element and a sliding wiper designed for long-term consistency in demanding boiler and pressure control environments

Dwyer Instruments A-310A Valve 326058-758 This item is the replacementThe Dwyer Instruments A 310A Valve is a technical essential for any contractor working with low pressure measurement systems. This 3 way vent valve is engineered specifically for permanent installations where Magnehelic gauges or manometers are connected via rigid metal or plastic tubing. In high stakes HVACR environments where periodic zeroing is required without breaking line integrity, the A 310A provides a reliable manual interface. Featuring a 1