Trane Baysens019c Manual May 2026

If you can’t find the 019C, check for:

Unlike some OEM wireless sensors that require a separate $200 gateway, the BAYSENS019C communicates directly with Trane’s ReliaTel board via a dedicated receiver (BAYSENS019B – often sold separately, but referenced in the manual). The manual is explicit: you cannot pair this sensor to a third-party BAS system. It is strictly for Trane RTUs. trane baysens019c manual

If you have the physical manual in hand (or the PDF open), the section most technicians flip to immediately is the wiring diagram. The BaySens019C typically utilizes a simple resistance-based circuit. If you can’t find the 019C , check