McDonnell & Miller RS1-BR1 Liquid Level Control Remote SensorLiquid Level Control Remote Sensor from McDonnell & Miller, RS1 BR1, is designed for high precision monitoring in commercial boilers and hydronic systems. This RS1 BR1 remote sensor enables conductance actuated liquid level control across tanks, boilers, and hydronic circuits. Built for demanding environments, it features a 1 inch male thread connection and a robust NEMA 4X enclosure, delivering reliable performance in tough plant conditions. The

By restoring proper flame retention

you reduce the risk of nuisance trips and energy waste while extending the life of your water heater

this limit switch acts as a reliable shield for your furnace

delivering durable construction and stable performance across a range of operating conditions

a durable chrome plated brass body

and a 175 PSI pressure rating

and V9055 control assemblies

Switch Operation: Manual reset

The spring-return design offers fail-safe re-centering

and mechanical wear

With a robust design optimized for steady voltage and steady speed

The direct-drive design eliminates belts for lower maintenance and fewer parts to service