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For contractors servicing older Honeywell or DeZurik heritage lines
This is typically caused by a dirty flame sensor or a faulty gas valve
Key Benefits Precision Thermal Calibration: Engineered with a fixed 225°F open and 145°F close setpoint for consistent safety response
making it suitable for high-heat residential and light commercial gas-fired appliances
Lennox 72H02 Prefilter For contractors servicing older HoneywellThe Lennox 72H02 Prefilter is a critical OEM replacement air filter designed for high efficiency electronic air cleaners. As a veteran grade aluminum mesh pre filter, this component serves as the primary line of defense, capturing large airborne particulates before they reach the electronic cells or primary media. This configuration is essential for maintaining the MERV rating integrity of the system and optimizing overall airflow. Measuring
US$ 89.95
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US$ 99.95
US$ 79.95
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