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Flame sensor

Hot surface igniter

Limit switch, L350F manual reset

2.8 oz Tube of Red Devil High Temp RTV Silicone. Perfect for Gasket replacement. Not for Heat Exchangers.

Contactor, 24 volts, 30 amps, 1pole

Furnace control board. The control board regulates the supply of power to the furnace components. Be sure to check more commonly defective parts before replacing the control board.

Run Capacitor 370 Volts Round Dual 40/5 MFD

Run Capacitor 370 Volts Round Dual 45/5 MFD

Induced draft blower motor with gasket, 120 volts. Furnace draft inducer motor. The draft inducer motor draws air into the burner and exhausts it out the flue. If the draft inducer motor is defective, the furnace may not heat.

Blank center cap nameplate

Door Switch

3/4HP 115Volts 60Hz 9.5 amp 1075 RPM's 4 Speed Open Enclosure 48Y Frame Single Phase CCW 3.75" Shaft

Transformer, 120 Volts Primary, 24 Volt Secondary, 40VA

Burner assembly

Control board
Repair Clinic provides a complete selection of Thermal Zone parts to support reliable heating and cooling performance in homes and light commercial spaces. Whether you need Thermal Zone furnace parts, Thermal Zone replacement parts for heat pump systems, or components for a Thermal Zone air handler, entering your full model number will generate a parts list tailored to your equipment.
Customers frequently begin with categories such as Thermal Zone furnace parts for igniters, flame sensors, blower motors, and control boards, or Thermal Zone air conditioning parts for capacitors, fan blades, and contactors. Those servicing heat pump units can explore
Thermal Zone heat pump system parts, which include reversing valves, defrost controls, sensors, and compressors.
Repair Clinic also supplies Thermal Zone air handler parts such as blower wheels, transformers, sequencers, and electrical components. Each listing includes detailed photos and specifications to help you confirm compatibility before ordering, and diagrams are available to visualize part placement within the equipment.
Before ordering Thermal Zone replacement parts or starting a repair, many homeowners and HVAC technicians look for guidance on compatibility, troubleshooting, and common service needs. The answers below address frequent questions.
Enter the complete model number from your furnace, air conditioner, heat pump or air handler into the Repair Clinic search tool. This produces a detailed Thermal Zone parts list with diagrams that allow you to confirm each item visually before ordering.
Common service items include igniters, flame sensors, thermostats, blower wheels and limit switches. Reviewing your model specific listing helps identify which Thermal Zone furnace parts will restore safe and efficient heating.
Heat pumps often require capacitors, reversing valves, relays, sensors and fan motors. Thermal Zone heat pump system parts provided by Repair Clinic support both routine maintenance and troubleshooting for temperature control issues.
Many tasks such as replacing blower motors, filters or capacitors can be handled by experienced homeowners. For electrical work or complex repairs within the air handler housing, professional assistance may be the best option.
Ordering replacement parts online is simple and efficient. Enter your Thermal Zone model number to view a complete parts list, compare diagrams and select the replacement parts needed for your project. If you require support confirming compatibility or choosing between options, our team is available through the Repair Clinic contact page. With genuine OEM parts, helpful lookup tools and fast shipping, Repair Clinic is a trusted source for Thermal Zone furnace parts, air handler parts and heat pump system repairs.
With same day shipping on qualifying orders placed by 9:00 PM ET and a 365 day return policy for uninstalled components, we make it easy to maintain Thermal Zone furnaces, heat pumps, and air handlers. Whether you’re a homeowner or an HVAC professional, Repair Clinic provides genuine OEM parts and the support needed to complete repairs with confidence.