0 ohms) across the terminals when the switch is below 135°F

loss of charge

Drop-in Compatibility: Specifically designed as the updated technical successor to the legacy DMPR-RS202 model

Color-Coded Identification: The blue/black finish ensures error-free selection and installation in the field

providing a 30-degree differential essential for maintaining safe operating parameters in gas-fired or electric heating equipment

Reznor 123976 Fan Control 30067439-890 0 ohms) across the terminalsThe Reznor 123976 Fan Control is a critical OEM replacement component engineered for precise thermal management in industrial and commercial heating applications. This F135 40F thermostatic switch is designed to regulate blower fan cycling by monitoring heat exchanger temperatures, ensuring the fan only operates within the 135F to 40F range. By maintaining these specific operational thresholds, the Reznor 123976 prevents the delivery of cold air