eliminating the need for multiple SKUs on the service truck

this specific part number is engineered for the Ultra Gas Boiler line (specifically Series 1 and 2)

The differential is adjusted using the internal setting disc

For technicians performing a York blower motor replacement

The H15DA-3 is engineered for use with standard thermocouples

Lennox 27A27 Heater Freon eliminating the need for multipleMaintain peak heating performance in matched systems with the Lennox 27A27 electric heat kit (model ECB29 9CB 8P). This 9kW supplemental heating assembly is engineered for seamless field installation within the heater compartment of compatible Lennox air handlers, including the CBX32M and CBX27UH series. Operating on a 208 230V single phase electrical circuit, this OEM heat strip provides critical auxiliary and emergency heat to support heat pump