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Fieldpiece SDMN5 Dual-Port Manometer
Compact dual-port manometer for positive, negative, and differential pressure measurements on gas and airflow systems.
What's in the Box
- SDMN5 dual-port manometer
- Silicone tubing and fittings
- User guide
Key Benefits & Features
- Reads positive, negative, and differential pressure (P1-P2)
- Multiple units of measure for gas and static pressure work
- Zero and HOLD functions for stable readings
- Backlit display with auto power-off
- Rugged handheld design for field use
Performance Specs & Compatibility
- Media: dry, non-corrosive gases (air, natural gas, propane)
- Applications: furnace manifold pressure, draft, duct static pressure
Why SDMN5 Stands Out
- Reliable dual-port pressure measurement in a compact, value-focused tool.
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
| Type: | Manometer |
|---|---|
| Accuracy: | Stated accuracy at 0 to 50°C (32 to 122°F): ±1.5% FS |
| Application: | HVAC |
| Operating Environment: | 32 to 122ºF (0 to 50°C) |
| Overrange: | "OL" or "-OL" displayed |
| Auto-Off: | 15 minutes |
| Compatible Media: | Dry, non-corrosive gases |
| Battery Type: | Single standard 9-volt battery, NEDA 1604, JIS 006P, IEC 6F22 |
| Battery Life: | 200 hours with low battery indicator on display |
| Height (Inches): | 7.0625" |
| Width (Inches): | 2-3/8" |
| Depth (Inches): | 1-3/16" |
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Reviews
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