Peco trane compatible zone sensor sdp155-009 digital display, temp adj, on, cancel, fan (h,m,l,o), comm jack sensor replacement for trane models x13790465, 41901121, sen01281. With more than three million manufactured series 155 zone sensors installed, hvac professionals can be assured that each peco zone sensor comes with proven reliability and seamless integration into trane commercial climate control systems. Over the years, these high-quality trane compatible zone sensors have become the steadfast, best-value choice of contractors. Today, this family of commercial zone sensors is available at manufacturer-direct pricing. Giving distributors and contractors, a tremendous price advantage. Series 155 zone sensors are about half the cost of trane zone sensors.