While the device itself is bi-directional in some distributor assemblies

restricted flue pipes

When housed within a NEMA-rated enclosure or the existing equipment cabinet

It should not be used in steam or open-loop domestic water systems

and provides a robust signal even over long cable runs

Schneider Electric (Barber Colman) TP-1011 Thermostat 30067439-890 While the device itself isThe Schneider Electric (Barber Colman) TP 1011 is a high precision proportional thermostat designed for 24 Vac HVAC control systems. This SPDT switching controller provides accurate temperature regulation within a 55F to 85F range, making it a standard for commercial space heating and cooling applications. As the direct replacement for GYDT 1 and GYDT 1X15 models, this unit ensures seamless integration into existing pneumatic to electric or electronic