Johnson Controls GRD10-1R Wire Guard Els PW 17895 Replacing an aging limit control

Replacing an aging limit control with a factory-spec Lennox furnace limit switch prevents nuisance trips and protects the heat exchanger from critical overheating

Enhanced Safety: The included gasket for gas regulators provides a secondary barrier against gas escapement at the adjustment point

requiring a technician to physically inspect the unit and reset the switch before the system can fire again

Common Questions: Is this switch compatible with my MUH series heater

It features 62-inch leads constructed with 10 AWG wire

Johnson Controls GRD10-1R Wire Guard Els PW 17895 Replacing an aging limit controlThe Johnson Controls GRD10 1R Wire Guard is a heavy duty field accessory designed to protect critical environmental controls from physical damage, tampering, and unauthorized setpoint adjustment. This steel wire thermostat guard features a robust, open web design that ensures maximum airflow to the sensing element while providing a physical barrier in high traffic or hostile environments. With inside dimensions of 6. 19" x 3. 81" x 2. 56", the GRD10