Broad Compatibility: Replaces a wide range of older Honeywell oil primary controls including R4184D1027

Common Questions & Installation Notes What is the maximum temperature rating

The rugged sensor head and thermal-conductive housing allow for immediate response to temperature fluctuations

Durable 480V/70W Rating: Specifically designed for 480-volt industrial circuits

Common Questions: Can the 90-171 be used to replace a 2-pole contactor

Carrier HK660007 Control Board Kit 326058-757 Broad Compatibility: Replaces a wideWhen you are troubleshooting a failed blower circuit or intermittent indoor fan issues, the Carrier HK660007 Fan Control Board Kit is the verified OEM replacement part required to restore factory spec operation. As a Factory Authorized Part, this control module is engineered specifically for Carrier, Bryant, and Payne air handlers and furnaces, ensuring seamless communication with the existing wiring harness and thermostat. This HVAC control board