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🔧 merrill mpsm44060: efficient air pump with adjustable pressure setting logo

🔧 Merrill MPSM44060: Efficient Air Pump with Adjustable Pressure Setting Review

3

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Very good

Revainrating 4.5 out of 5  
Rating 
4.7
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Description of 🔧 Merrill MPSM44060: Efficient Air Pump with Adjustable Pressure Setting

Standard water well pump replacement switch designed for use of electrically driven water well pumps of all types (Jets, Submersible, Reciprocating etc). Cut-In Pressure 40 PSI - Cut-Off Pressure 60 PSI - Adjustable- Low Pressure Cut-Off - Manual Lever. Large silver contacts for longer service life. Horsepower Rating (1-Phase) 2HP-115VAC – 3HP-230VAC. 1/4" Female NPT - Individaully Boxed - OEM Replacement Part.

Reviews

Global ratings 3
  • 5
    2
  • 4
    1
  • 3
    0
  • 2
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  • 1
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Type of review

Revainrating 5 out of 5

Identical to my old switch

Looks like a direct replacement for most well pump switches. One of the additional features is a lever that allows you to turn the pump on and off and bypass the automatic mode. The switch is adjustable but preset to 40/60 psi.

Pros
  • Standard replacement well pump switch designed to fit all types of electrically powered water pumps (jet, submersible, plunger etc)
Cons
  • Can't remember

Revainrating 5 out of 5

Same features and quality - MUCH better price!

I recently replaced a pressure switch on my outdoor fountain. This switch appears to be of the same quality as the previous switch. The outer shell is actually better than the original. However, this switch is 40% cheaper than the famous brand I used before. I can't say how long it will last, but everything indicates that it will be an adequate replacement at a much higher price. I would recommend this brand to anyone who doesn't feel like buying more expensive well known brands.

Pros
  • Large silver contacts for longer life
Cons
  • old

Revainrating 4 out of 5

So what application is it for?

Overall I was pleased with the Merrill pressure switch but this confuses me. I bought this type of air compressor circuit breaker as it is usually the only power switch for units so equipped. However, this pressure range is not suitable for an air compressor. On the other hand, I'm not used to seeing them on the fountain and I'm not sure I'd want one. I'm planning to use this on my rainwater booster pump and while I see the lever's usefulness in some cases, I'm not sure I'd want it if someone…

Pros
  • Rating (1 phase) 2HP-115VAC - 3HP-230VAC
Cons
  • So far so good