this 1/2" immersion well ensures your controls receive the accurate temperature data required for efficient boiler cycling and system protection

simplifying Field installation

ensuring accurate positioning under varying load conditions

Designed without a splash guard

it opens the circuit at a fixed 220-degree Fahrenheit trip point

Johnson Controls MR4DR24-12 Defrost Control Freon this 1/2" immersion well ensuresThe Johnson Controls MR4DR24 12 is a professional grade electronic temperature control designed for precise defrost management and multi stage HVACR applications. Operating on 24 Vac, this four stage controller provides exceptional reliability with a 1. 8 degree accuracy, ensuring tight setpoint maintenance in critical refrigeration environments. The unit features built in alarm management and is packaged with two A99BB 200C sensors, allowing for