The board relies on a 10k ohm outdoor ambient sensor and a coil temperature sensor

Robust Electrical Design: SPST switching rated for standard boiler control circuits

three inlet drain holes

GL) and industrial safety ratings

The FT design utilizes a high-quality epoxy encapsulation to protect internal windings from moisture

Trane PLU0325 318172-701 The board relies on aThe Trane PLU0325 is a high specification 9 pin connector designed for seamless integration within commercial and residential HVACR control circuits. As a veteran grade OEM Trane replacement part, this polarized rectangular plug features a 6. 5 mm pitch and is engineered for precise signal transmission between control modules, sensors, and actuators. Built from durable nylon housing, the connector maintains structural integrity across a wide thermal