Resideo TDV040 Tridicator 321042-401 Designed with a 1 1/2"

Designed with a 1 1/2" NPT connection and a robust brass body

This dual-stage vacuum switch functions as a fail-safe

a standard requirement for most industrial damper assemblies

For maximum accuracy and response time

the O11-1711 is an automatic reset control

Resideo TDV040 Tridicator 321042-401 Designed with a 1 1/2"The Resideo TDV040 Tridicator is a professional grade boiler pressure and temperature gauge designed for precise monitoring in hydronic heating systems. Featuring a 3 1 8" dial size, this instrument provides clear, simultaneous readings of system pressure and water temperature, essential for verifying boiler performance and safety. The mechanical movement is engineered for reliability in high heat environments, offering a 60 320 degree temperature