this unit heater safety switch features a robust construction to withstand the thermal stress and high-cycle demands typical of commercial and industrial heating environments

this unit is ready for installation upon arrival to match original equipment performance curves

This rugged construction allows for reliable operation with hot water

to maintain HVAC safety limit standards

Equal percentage flow characteristic on the A-port for stable modulation

Belimo UGLK1800 Retrofit Kit 322838-753 this unit heater safety switchThe Belimo UGLK1800 Retrofit Kit is a heavy duty linkage solution designed for seamless integration with Honeywell V50 and V3 series globe valves ranging from 1 2" to 3". This kit utilizes a precision engineered rack and pinion construction, allowing technicians to adapt standard Belimo rotary actuatorsincluding AMB, GMB, AF, and NF seriesto legacy valve bodies without system drainage. The 3 4 inch stroke (17 teeth) ensures accurate modulation and