and PY1R models

as an OEM Johnson Controls part

If the manometer shows sufficient pressure but the switch remains open

managing the 24V signals required for heater engagement

For HVAC safety components

Honeywell TR23 Wall Module R-22 and PY1R modelsThe Honeywell TR23 Wall Module is a dedicated LonWorks networked sensor designed for seamless integration with Excel 10, 15, and other controllers utilizing a 20 K Ohm NTC non linear sensor. This unit serves as a critical interface for building automation systems, providing precise HVAC temperature control within a 55? F to 85? F setpoint range. Built for field flexibility, it features a LonWorks bus network jack for local tool access and a manual