Danfoss 077B7003 Thermostat The York S1-025-39887-000 Spark Ignitor

The York S1-025-39887-000 Spark Ignitor is a critical OEM replacement component designed for precise furnace ignition sequences in high-efficiency residential and light commercial units

For critical safety

the kit provides the necessary brackets and ceramic nuts to adapt to the existing burner bracket

though a dedicated static probe is recommended for permanent BAS sensing

protecting against carbon monoxide risks

Danfoss 077B7003 Thermostat The York S1-025-39887-000 Spark IgnitorThe Danfoss 077B7003 is a high precision service thermostat engineered specifically for technical replacement in refrigeration systems requiring automatic defrost functionality. This service thermostat kit, part of the Danfoss 077B series, features a capillary tube length designed for easy routing and consistent temperature monitoring. It operates on a cut in and cut out temperature management system that ensures evaporator coils remain clear of ice