Reznor 115140 Door Refrigerant or a faulty operating control

or a faulty operating control failing to shut off the burner at the target setpoint

Can this switch replace a different water column rating

This model features a 1/8"-27 NPT pilot tap located on the right side and is designed without a flow interrupter to meet specific system requirements

4 Cv rating ensures minimal pressure drop across the 1/2" NPT ports

Reznor 115140 Door Refrigerant or a faulty operating controlThe Reznor 115140 Inner Access Door is a critical OEM replacement part engineered specifically for the Reznor OHOB primary heating series. As a veteran grade industrial HVAC component, this large inner access door is designed to maintain the pressurized integrity of the heat exchanger cabinet while providing a secure seal against combustion byproduct leakage. Fabricated from heavy gauge, heat resistant steel, it serves as a primary service point for