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1380 Review
55 Karma

Review on πŸ”§ Merrill MPSM44060: Efficient Air Pump with Adjustable Pressure Setting by Calvin Reynolds

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 (or something) accidentally or intentionally disables things I don't use. I don't want to switch off. One small dot and I could get one without a lever, but that struck me as odd because I've never seen a lever on a well or water supply (although I'm also not sure I need a metal shifter in something that can get wet !) compared to an air compressor for which the pressure range of this switch is irrelevant.

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