The included mounting hardware supports both vertical and horizontal thermostat guard installation

Professional installation ensures that the dial aligns correctly with the internal potentiometer or switch shaft for reliable operation

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

and FJVR valve bodies

Marley Engineered Products 5813-2001-000 Thermostat The included mounting hardware supportsFor 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