Resideo AT120A1004 Transformer Els PW 17895 maintaining consistent water temperature within

maintaining consistent water temperature within the heat exchanger during off-cycles

including the 155

Using a genuine Trane fan housing eliminates the alignment complications common with universal aftermarket kits

maintaining the 316L stainless steel heat exchanger is a non-negotiable step to prevent localized hot spots and scale-induced efficiency loss

Resideo AT120A1004 Transformer Els PW 17895 maintaining consistent water temperature withinThe Resideo AT120A1004 is a versatile, high reliability 20VA foot mount transformer engineered for integration into 24V control circuits. This multi tap power source supports 120V, 208V, and 240V primary input configurations, providing a stable 27V secondary output at 60Hz. Designed for the rigors of field service, the AT120A1004 offers multiple mounting options, including foot mounting or plate mounting on standard 2x4 or 4x4 outlet boxes. With