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87H90 is an official OEM 190F Limit, 40F Differential for Lennox HVAC equipment.
Key Features:
- Official OEM flame sensor for Nordyne HVAC equipment
- Product type: Flame Sensor
Compatibility & Applications:
- Listed for Nordyne HVAC equipment (specific unit models/series are not identified in the provided sources)
- Must only be used where the manufacturer specifies this exact part number: 632484R
Installation & Operation Notes:
- Installation should be performed by qualified HVAC service personnel.
- Refer to the unit's service/installation manual for correct placement, safe shutdown steps, and checkout after replacement.
- Nordyne literature states it is intended to assist qualified individuals experienced in proper repair/servicing, and that only factory authorized parts or accessory kits may be used; it also warns that improper installation/service can create hazardous conditions including explosion, fire, or electrical shock.
Maintenance & Troubleshooting:
- A flame sensor is commonly addressed when a furnace has ignition/flame-proving problems that prevent reliable heat operation.
- Customer feedback commonly links replacement to restoring reliable operation, including reports that the furnace stopped failing after installation and that it helped stop repeated cycling/recycling behavior.
- The provided sources do not include diagnostic procedures; confirm the root cause using the equipment's service documentation before replacing components.
User Reviews & Q&A Summary:
- Fitment themes: reviewers frequently describe it as the right part and a perfect fit, often noting it worked like the original.
- Repair outcomes: multiple reviewers report the furnace returned to normal operation after installation, including resolving repeated cycling issues.
- General purchasing themes include quick fulfillment and receiving the correct part for the repair.
User Reviews & Q&A Summary:
- Common theme is "correct part" for the intended replacement, with users reporting it worked as expected after installation
- Review feedback frequently mentions straightforward installation for a direct replacement
- Value and fulfillment are recurring positives (good deal/price and fast shipping)
Product Highlights
4"
Specs
| Product Type: | Flame Sensor |
|---|---|
| Size: | 4" |
Reviews
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