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Goodman

OEM Goodman Primary Limit Temperature Control for GCH950453 — 20162904

SKU: GOODMAN-9840 Brand: Goodman
$35.95 $47.95

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

Goodman 20162904 Primary Limit Temperature Control

The Goodman 20162904 is a genuine OEM primary limit temperature control (high-limit safety switch) engineered for the Goodman GCH950453BXAC gas furnace and compatible models. Mounted on the heat exchanger or blower deck, this safety control continuously monitors supply-air temperature and interrupts the burner circuit if the furnace overheats — protecting the heat exchanger from cracking and preventing unsafe operation. A failed or nuisance-tripping limit is one of the most common causes of a furnace that lights briefly and then shuts down on high limit.

Specifications

  • Part type: Primary limit / high-limit temperature control
  • Function: Automatic-reset thermal safety cutout
  • Brand: Goodman / Amana (OEM)
  • OEM part number: 20162904
  • Fits: GCH950453BXAC and select Goodman/Amana furnaces
  • Application: Gas furnace heat/limit safety circuit

OEM vs. Generic

OEM (recommended): Exact factory trip temperature, mounting, and terminal layout — guaranteed drop-in fit and correct safety calibration. Generic: A lower-cost universal limit that may require verifying the trip point and adapting terminals; acceptable for budget repairs but not calibration-matched to the original.

Install Difficulty

Easy — 2 of 5. Typically two mounting screws and two spade connectors. Cut power at the disconnect, photograph the wiring, swap the control, and restore power. Most handy homeowners finish in 15–20 minutes; when in doubt, use a licensed HVAC technician.

Shipping Information

  • Orders placed before 3PM CST ship same business day
  • Standard delivery: 2-5 business days
  • Express shipping available at checkout
  • Free shipping on orders over $75
  • Tracking number emailed upon shipment

Return Policy

  • 30-day returns on unused parts in original packaging
  • Electrical parts (capacitors, contactors, control boards) are final sale once installed
  • Email info@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Limit Control fit my Goodman GCH950453 — 20162904?
Yes. This is the factory-specified OEM limit control for the Goodman GCH950453 — 20162904. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.
How do I replace the limit control on my Goodman GCH950453 — 20162904?
Difficulty: Advanced (1–2 hrs)
Step 1: Turn off breaker. Step 2: PHOTOGRAPH all wire connections before touching anything. Step 3: Label each wire with tape. Step 4: Disconnect all wires, remove old board. Step 5: Mount new board, reconnect all wires matching your photo exactly. Step 6: Restore power and test all modes. Exact part number match is critical.
My HVAC system is completely dead. What could be wrong?
Completely dead HVAC (no LED on board) = failed control board or blown fuse. Check board fuse first (3A or 5A, costs $1–$5). If fuse is good and board has power but no LED, board is dead. Always photograph wiring before replacing.
Is this limit control compatible with Bryant or Payne too?
Many Goodman parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.
Should I use OEM or aftermarket for my Goodman limit control?
OEM essential. Control boards are model-specific with precise firmware and connector layouts. Aftermarket boards rarely match all functions and can cause intermittent failures or safety issues. Always match the exact OEM part number.
How fast does National HVAC Parts ship?
Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.
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Mike Rivera
HVAC Parts Specialist — Online