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Pressure Switch 3903-DF, 1A, Tecmark, 1/8"mpt, SPST, Field Adj

Marsoni M251S
Sale price$26.00
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Pressure Switch 3903-DF, 1A, Tecmark, 1/8"mpt, SPST, Field AdjPressure Switch 3903 DF, 1A, Tecmark, 1 8"mpt, SPST, Field Adj Product Specifications: Manufacturer Tridelta Tecmark Switch Type Pressure Pressure Switch Rating 1 to 5 psi PSI Rating 1 to 5 psi Pressure Switch Amperage 1A Thread Pan Material Plastic Plumbing Connection Size 1 8" Plumbing Connection Type Male Pipe Thread (mpt), Male National Pipe Thread (mnpt) Pole Throw Single Pole Single Throw (spst) Pan Material Plastic
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  • We offer a 30-day return/exchange service after receiving.
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4.9 ★★★★★
Based on 2390 reviews
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Verified Purchase
Lee Mintz
Birmingham, US
★★★★★ 5
The Easiest!
Size: 16AWG Wiring Harness-2 Leads
This is one of the best and easiest wiring system to install that I have every used. And the price is great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2025
A
Verified Purchase
Anna Pozzi
Lexington, US
★★★★★ 5
Well done. Useful.
Size: 16AWG Wiring Harness-2 Leads
Always well done.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 24, 2025
C
Verified Purchase
Christopher rivera
Louisville, US
★★★★★ 5
Muy bueno gracias
Size: 16AWG Wiring Harness-2 Leads
Excelente
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 27, 2026
S
Verified Purchase
stormdrift
New York, US
★★★★★ 5
Very good
Color: 14AWG-2 Lead
Great lights, no complains
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Reviewed in the United States on June 8, 2025
A
Verified Purchase
Angel Aguirre
Alexandria, US
★★★★★ 5
Why Struggle? It’s as easy as 1 , 2 , 3
Color: 14AWG-2 Lead
Love how simple the harness is! Bought this for a set of ditch lights for a 99 4runner. I love how much wire they give to let you run the wire to where it needs to go. 1st time buying and will come back for more in the future.
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Reviewed in the United States on December 10, 2025

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