Always check your incoming line voltage before installation to prevent immediate component failure

While this kit converts the gas type

What does the 440Op specification represent

it is factory-calibrated to break the electrical circuit at a fixed 160°F and automatically reset at 140°F

This 3-tube burner replacement is precision-engineered to meet stringent Rheem factory specifications

Marley Engineered Products 5813-2001-000 Thermostat Always check your incoming lineFor field technicians and contractors maintaining Q Mark or Berko heating units, the Marley Engineered Products 5813 2001 000 Thermostat serves as the direct OEM replacement for residential and commercial wall heaters. This mechanical snap action thermostat is engineered to handle line voltage applications without the need for additional relays or complex control boards. It features a single pole single throw (SPST) configuration, making it a rugged