Peco Controls TA167 006 Thermostat Els PW 17895 durable housing for seamless integration durable housing for seamless integration into existing Bard HVAC units and furnace assemblies The Berko 4520 0015 000 Limit Switch is a critical safety component designed for precise thermal regulation in forced air heating systems and HVAC equipment Mechanical Simplicity: The non programmable mechanical display reduces nuisance calls and simplifies operation in high traffic commercial or residential settings Enhanced Field Configuration: Includes a remote sensor input (requires jumper removal) for applications where the thermostat cannot be mounted in the controlled space