or the unit failing to ignite due to a permanent open circuit

For technical service and field replacements

Tasked with ensuring airtight integrity

Common indicators include a bulging bakelite case

White-Rodgers 754-1 Thermostat Control or the unit failing toThe White Rodgers 754 1 is a professional grade electric water heater limit control engineered for critical high temperature safety. This surface mount thermostat features a DPST (Double Pole Single Throw) configuration, providing a simultaneous break for both lines of the power supply to ensure complete circuit isolation during an over temperature event. Factory calibrated with a 170F fixed setting, this control is designed to open on rise,