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Tecmark Spa 3902 Series Universal Pressure Switch 1 Amp w/Out Brass Fittings 3902

4.5 4.5 out of 5 stars 532 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
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Purchase options and add-ons

Switch Type
Pressure Switch
Material
Acrylonitrile Butadiene Styrene
Mounting Type
Surface Mount
Specification Met
Tecmark Spa 3902 Series Universal Pressure Switch 1 Amp W/Out Brass Fittings 3902 See more

About this item

  • To ensure a proper fit check with your product manufacture or technician.
  • Tecmark Pressure Switch Part # 3902

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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 3 x 4 x 7 inches; 3 ounces
  • Item model number ‏ : ‎ 3902
  • Date First Available ‏ : ‎ November 8, 2009
  • Manufacturer ‏ : ‎ Tecmark
  • ASIN ‏ : ‎ B003BGD1KQ
  • Customer Reviews:
    4.5 4.5 out of 5 stars 532 ratings

Product Description

To ensure a proper fit check with your product manufacture or technician. Tecmark Spa 3902 Series Universal Pressure Switch 1 Amp w/out Brass Fittings 3902

What's in the box

  • Tecmark Spa 3902
  • Looking for specific info?

    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    532 global ratings

    Customers say

    Customers like the value, performance, ease of installation, and fit of the electronic switch. For example, they mention it works well, it's inexpensive, and it fits perfectly. That said, some complain about the leakage.

    AI-generated from the text of customer reviews

    42 customers mention35 positive7 negative

    Customers like the performance of the electronic switch. For example, they mention it works great, has no issues, and is easy to adjust. Some say that it works fine for alarming for no air.

    "...I said above, cross threaded really easy, I did get it to work, works perfectly otherwise" Read more

    "Ordered for my parents pool and it works great!" Read more

    "Worked great. Fixed problem." Read more

    "Worked fine for alarming for no air." Read more

    21 customers mention21 positive0 negative

    Customers are satisfied with the value of the electronic switch. They mention that it works well, is inexpensive, and is an easy fix for a common hot tub issue. Some say that it saves them hundreds of dollars. Overall, most are happy with their purchase and recommend it to others.

    "Good supplier, arrived quickly, direct replacement fit." Read more

    "...but for the money I saved on the technician's house call, it was worth the purchase." Read more

    "Worked great, inexpensive replacement for my hot tub. One quick adjustment on the top screw and dialed it in to the pressure I needed." Read more

    "Super fast shipping of the pressure switch and a good price too!..." Read more

    17 customers mention17 positive0 negative

    Customers find the installation of the electronic switch to be easy. They mention that the wiring is easy, and the switch is simple to change. Some mention that it cross threads really easy. Overall, most are satisfied with the ease of installation.

    "Like I said above, cross threaded really easy, I did get it to work, works perfectly otherwise" Read more

    "...Wiring is easy, doesn't matter which 1 of 2 goes where. HOWEVER, I'm not a fan of threading plastic into metal, especially tapered pipe thread...." Read more

    "It was easy to install and worked just fine. My hot tub is about 3 feet higher than my propane heater where this switch is installed...." Read more

    "easy to install, quick shipping" Read more

    11 customers mention11 positive0 negative

    Customers are satisfied with the fit of the electronic switch. They say that it works and fits like original. Some mention that the switch is functional and that it starts heating right after install.

    "Good supplier, arrived quickly, direct replacement fit." Read more

    "Exact replacement for my 17 year old dynasty spa. No adjustment needed, spa started heating right after install." Read more

    "We bought this to repair out hot tub. It was a perfect fit and was easy to install...." Read more

    "Found this to be functional and fit our hot tub. Lots less money than the OE switch and available in s day vs a week!" Read more

    5 customers mention0 positive5 negative

    Customers are dissatisfied with the leakage of the electronic switch. They mention that water leaks through the pressure switch hole and into the electrical compartment. Some customers also report that the switch is easy to replace.

    "...ended up could take off with just my hand. Water still came out pretty strong but was able to get the new one on pretty quick...." Read more

    "...Nevertheless, I did have some water leakage through the pressure switch hole once the old switch was removed...." Read more

    "...I agree with another reviewer....water will spray up when you remove the old one...." Read more

    "...But, after filling the tub up, I found a leak underneath which appears to be not repairable. :..." Read more

    All good. Needed no adjustment for my application. Used as safety shutdown for spa heater..
    5 Stars
    All good. Needed no adjustment for my application. Used as safety shutdown for spa heater..
    Used in series with 12 vdc relay to shut down 220 vac 5500 watt spa heater in case of loss of water pressure.
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