Posted: 7/5/2026 1:38:25 AM EDT
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I've always had a drilled well with a 40/60 pressure switch. This place has a driven point well on a 20/40 switch. The jet pump is a McDonald 8350 (1/2 hp). I'm so used to 40/60 that this 20/40 feels like a trickle. From what I'm seeing, the 8350 maxes out around 57 psi. Any idea if going to a 30/50 switch would be workable, or bad idea? I managed to get a steal on an HT-119B pressure tank, so hopefully that gives us more standby/less short runs (current tank is a 14 or 20). Shy of getting a high pressure rated pump (the 8370 is 3/4hp, rated for 73 psi), any other options for increasing the low pressure? |
| My pressure switches are adjustable. According to my well guy, you could have problems with it blowing out your house plumbing. My understanding is, bigger tank, bigger pipe coming to house, or bigger pump. Or combination of the three. |
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Yes, switching to a 30/50 pressure switch should be fine for your setup. But going to a 30/50 switch... You will be putting the pump under higher stress loads. Getting a bigger pressure tank or downstream booster pump will be a better, more reliable solution. |
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Originally Posted By CashOnlyLargeBills: Getting a bigger pressure tank or downstream booster pump will be a better, more reliable solution. Hoping to have the new pressure tank installed this week. It's the largest they sell locally, so if a tank is going to make a difference, this should do it. I know it'll make the pressure cycle more gradual, but we're still dealing with 20-40psi. Will have to see how things are afterwards. A downstream booster is definitely an option, but not something I've worked with before (outside of a smaller RO booster pump, which made a world of difference). |
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Originally Posted By NAM: Hoping to have the new pressure tank installed this week. It's the largest they sell locally, so if a tank is going to make a difference, this should do it. I know it'll make the pressure cycle more gradual, but we're still dealing with 20-40psi. Will have to see how things are afterwards. A downstream booster is definitely an option, but not something I've worked with before (outside of a smaller RO booster pump, which made a world of difference). I had a booster pump installed at my place in the woods, 52psi max unit. It cost me $2k installed. And has been flawless. You can get it DIY it for a lot less. They sell them on Amazon, and if you install it yourself it could be done for under $500-700. But I am not sure I would trust the Amazon unit for long term. |