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Johnson Controls A419
Electronic Temperature Control

Combines keypad programming with a liquid crystal display (LCD) to provide greater built-in control versatility. A large display screen lets users check between setpoint and temperature at a glance, and a bright LED also makes it easy to see relay status. Even with these convenient features, the A419 is the most compact electronic temperature control currently available. The A419 features a single-stage temperature control with a single-pole, double-throw (SPDT) output relay, which makes it ideal for use with refrigeration and HVAC equipment, including frozen and refrigerated food cases, beverage coolers, and pump and boiler applications. It operates on 120 or 208/240 volts and its interchangeable sensor can be mounted up to 800 feet from the control unit. An adjustable anti-short cycle timer prevents controlled equipment from restarting immediately after shutdown.


Electronic parts are not returnable. Please check to make sure you have chosen the correct part.

Documentation: Johnson_Cont A419.pdf

Part No. Qty Unit Price
A419GBF-1C 24 VAC Johnson temperature control with remote sensor $86.64
A99BB-25C Johnson Controls Sensor 9-3/4" -40°F to 212°F $28.12
A421ABC-02C 120 and 240 VAC Johnson temperature control with remote sensor $94.98

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