Motor
Valves & Valve Accessories
Electrical Parts
Pressure Controls & Switches
Circuit Breakers
Thermostats
V-Belts & Pulleys
Piston & Piston Body
Control Boards
All products
New
75M20 is an official OEM Pressure Switch, .75" WC, 4501-7500 Ft. Alt. for Lennox HVAC equipment.
Features:
- Manual reset
- UL recognized
- CSA approved
- Uses 36T electrical ratings
Compatibility & Applications:
- Listed for Carrier HVAC equipment (model-specific compatibility is not provided in the listing details)
- Must only be used where the manufacturer specifies this exact part number: LH680534 (confirm by the unit's model/serial and the applicable service/parts documentation)
User Reviews & Q&A Summary:
- Reviews commonly describe:
- - Perfect/OEM fit and being the correct replacement part
- - Easy installation for those performing the repair
- - Keeping a spare flame sensor (and often an ignitor) on hand for quicker winter repairs (review-reported)
- - Positive feedback on shipping speed, packaging, and overall purchase experience
Maintenance & Troubleshooting:
- The provided sources do not include formal diagnostic procedures for this flame sensor
- Reviews reflect replacement as a practical service repair (OEM part swap), with users reporting successful replacement experiences and restored confidence in having the correct part on hand
Certifications & Compliance:
- Meets ARI 780/790 Standard
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
0.25 A @ 0.25 to 12 Vdc, 5.1A @ 240 Vac, 8A @ 120 Vac   
Fixed    
SPST, Contacts Break on Temp Rise    
Horizontal, Vertical    
5-5/8" Â Â Â 
2-1/8" DepthSpecs
| Stages: | 2 |
|---|
Reviews
Clear filtersThere are no reviews yet.