LENNOX 33G9501 / Defrost Control Circuit Board

LENNOX 33G9501 / Defrost Control Circuit Board | Other Heating, Cooling & Air

The LENNOX 33G9501 Defrost Control Circuit Board offers advanced management of defrost cycles for heating and cooling systems, ensuring optimal performance. Engineered for precise operation, this circuit board streamlines temperature regulation and supports energy efficiency in modern HVAC equipment.

• Input voltage: 24 VAC nominal
• Operating temperature range: -40°F to 176°F
• Control relay rating: 1 HP at 240 VAC
• Replacement compatibility: Direct replacement for Lennox OEM part
• Cycle timing: Adjustable defrost interval from 30 to 90 minutes

Compared to standard defrost control boards on the market, the LENNOX 33G9501 stands out for its broad operating temperature range and flexible timing options. Many legacy models only allow limited adjustment and may perform inconsistently in extreme conditions. In contrast, the LENNOX 33G9501 is engineered to deliver reliable operation in both residential and light commercial HVAC systems, making it an ideal upgrade over earlier models and generic alternatives.

Key Technical Advantages: Technology and Performance

The LENNOX 33G9501 Defrost Control Circuit Board incorporates advanced timing and sensing technology to optimize HVAC system performance. Its adjustable defrost cycle timer allows for greater customization based on climate and system load, reducing unnecessary energy use and increasing comfort. The high-capacity control relay accommodates more demanding equipment, while its direct replacement compatibility ensures quick and trouble-free installation for service professionals and DIY enthusiasts alike.

By delivering dependable performance across a wide temperature spectrum, the LENNOX 33G9501 is well-suited for use in variable climates and rigorous applications. The energy-saving defrost cycle control minimizes compressor wear and extends the lifespan of your heating and cooling system. Upgrade your HVAC setup with this industry-leading defrost control circuit board to experience enhanced reliability, efficiency, and system protection.