Robertshaw 190-052 Plastic Guard The cartridge seats into the

The cartridge seats into the valve body using a 4mm Allen wrench

In standard HVAC environments

this Class H insulated coil is optimized for continuous duty cycles without overheating

not for steam boilers or space heating systems

The 90-degree boot allows for a vertical or side-entry connection

Robertshaw 190-052 Plastic Guard The cartridge seats into theProtecting critical control setpoints is non negotiable in high traffic commercial environments. The Robertshaw 190 052 Plastic Guard is a professional grade thermostat lock box designed to stop unauthorized tampering and accidental setting changes. As a veteran preferred HVAC thermostat guard, this kit features a high impact rectangular clear cover that allows for easy monitoring of current readings while keeping the interface secure. The Robertshaw