Key Benefits for Technicians:

a higher voltage rating is a safe upgrade and often preferred for durability

The Resideo ZD22X12TZ Damper is a professional-grade 22" Wide X 12" High Parallel Blade Zone Damper engineered for high-static pressure applications

Direct OEM Compatibility: Serves as the exact factory replacement for 100145008 and FAN3035

Utilizing a genuine Reznor replacement part ensures the unit maintains its original safety listings and operating setpoints for optimal performance

Lennox 12L21 Pressure Switch 320734-701 Key Benefits for Technicians:As a seasoned technician, you know that safeguarding the compressor from low side pressure drops is critical for system longevity. The Lennox 12L21 Pressure Switch is an OEM low pressure safety switch meticulously calibrated to monitor refrigerant levels and prevent vacuum conditions or evaporator freeze ups. Designed for integration into Lennox HVAC systems, including high efficiency condensing units and heat pumps, this Normally Open (NO) switch