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Furnace flame sensor with wire harness

Furnace flame sensor. The flame sensor monitors the burner to detect whether or not a flame is present. If the flame sensor is defective, the furnace may not heat.

Pressure switch -0.20"pf spst

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.

Furnace igniter kit

Limit Switch - re-settable

Fan relay, 24v coil, 50-60hz, spst-no/nc

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, Single, Round, 370 Volts 10 Microfarads

Furnace igniter kit

Limit Switch

Replacement filter, large

Pressure switch. NO, 1.74C

Natural Gas Valve

Rollout switch
Nordyne furnaces — sold under the Intertherm, Miller, Gibson, and Tappan HVAC brands — are engineered for reliability, especially in manufactured housing and mobile home applications. When your Nordyne furnace stops heating, the culprit is almost always one of five parts: the hot surface igniter (won't glow or goes out mid-cycle), the inducer motor (rattles or won't spin), the pressure switch (trips the safety interlock), the control board (no power to igniter), or the flame sensor (ignites then shuts off).
Repair Clinic stocks genuine OEM Nordyne parts for every model series. Enter your Nordyne model number to find the exact replacement igniter type, control board revision, and pressure switch configuration your furnace needs. Same-day shipping available on in-stock parts.
A weak or failing igniter is the #1 Nordyne furnace repair. The igniter heats to 1,800°F to open the gas valve — when it weakens from cycling stress, it glows orange but never reaches full temperature, so the valve never opens. OEM Nordyne igniters are built to spec; aftermarket versions often fail prematurely. If you're replacing it a second time in a season, check your gas valve inlet pressure (should be 3.5 to 4.0 inches of water column). A leaking gas valve forces the igniter to work harder and fail faster.
Nordyne furnaces carry the model number on a metal nameplate riveted to the blower compartment door. It looks like "M1NH042K" or "N8MSH-070." The first letters tell you the brand: M = Miller, N = Intertherm, G = Gibson, T = Tappan. Use your exact model number in Repair Clinic's lookup tool — Nordyne sub-brands share engineering but not always parts. A pressure switch or board for an Intertherm won't fit a Gibson, even if they look identical.
All five are Nordyne Corporation brands, and they share the same furnace platform — but parts are model-specific, not brand-specific. Intertherm and Miller dominate manufactured housing; Gibson is found in residential gas furnaces; Tappan is an older brand still common in field units. Cross-reference your model number, not the brand name. Repair Clinic's system matches the correct igniter, control board, and valve assembly to your exact model.
Check these in order: (1) Flame sensor — clean it with fine steel wool. If it's visibly cracked, replace it. (2) Draft inducer motor — should run for 15 to 30 seconds before the igniter fires. If you hear nothing, the inducer or its capacitor has failed. (3) Pressure switch — the furnace won't ignite if the pressure switch detects no draft. Check for a blocked drain line (freeze-ups are common in mobile homes). (4) Igniter and gas valve — if steps 1 to 3 check out, the igniter or gas valve is next. Use your model number to order the correct parts.


Ordering Nordyne furnace replacement parts online is easy at Repair Clinic. Simply search by model number or part number to find the exact replacement part you need. With our fast and reliable shipping options, you'll have the right part for your furnace in no time.
We offer a No-Hassle 365-Day Returns policy, meaning you can return any uninstalled parts within a year of purchase for a full refund. Plus, our Price Match Guarantee ensures that you're getting the best price on all Nordyne OEM parts.
Take advantage of same-day shipping on orders placed by 9:00 PM ET, so you get the parts you need without delay. Whether you're a homeowner performing a DIY repair or a professional technician working on a Nordyne furnace, we have the parts and expert resources to help you with your furnace repairs.
Browse our full inventory of Nordyne furnace parts, including control boards, igniters, blowers, and more, all designed to keep your furnace running smoothly. If you need assistance, our online repair library provides the videos, guides, and step-by-step instructions to support the repair.
Nordyne prints the model number on a metal nameplate attached to the blower compartment door on most furnaces. The label may also be visible after removing the front access panel, so switch off power and let the unit cool before checking. Look for the complete model number, not just the serial number or a short part code. Type it into our model number lookup and the catalog narrows to parts made for your unit. This model filters the full Nordyne furnace selection, including electrical, ignition, airflow, and cabinet parts. You can compare compatible options with confidence and avoid ordering a part that does not fit.

Repair Clinic's online resources are built to help you get your Nordyne Furnace back in service without unnecessary trial and error. Start with the diagnostic article for your symptom, watch a repair video that shows the parts and tools involved, then follow the step-by-step written guide as you work. Part testing walkthroughs confirm the failed component, and the model number lookup confirms the exact OEM part before you order.

Replacing a malfunctioning furnace circuit board may be the key to restoring your heating system's functionality. This article provides a clear guide to understanding the role of the circuit board in a furnace's ignition sequence, common reasons for circuit board failure, and step-by-step instructions for replacing a furnace circuit board.

Learn why your furnace isn't working by understanding its ignition sequence and identifying common faulty parts like the igniter, flame sensor, or control board. This article provides practical repair tips and insights into each part's role in the heating process.

A gas furnace that starts and then stops unexpectedly can be frustrating, especially during cold weather. This article explains five common causes, including issues with the flame sensor, pressure switch, control board, draft inducer fan motor, or air flow. Learn how each cause may impact your furnace's operation and get tips to resolve the problem.