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Thank you so much for the # comments. I was having a hard time wrapping my head around the variables and the actual result of certain settings. That really helps.

I will revisit this and report back. I have the pressure switch set to 50/70 for sure. I must have adjusted the CSV incorrectly or did not have the right fixture gpm flowing for accurate adjustment. Love your CSV though! I look forward to long water uses like watering outside now.

Thank you. Do you agree with the C - 40, and BF - 19?

Update for anyone curious that comes across this thread. The advice I received has been spot on. The Grundfos SQ pump along with CSV work great together. PSI before CSV stays under 200 PSI with pressure switch set from 50-70. Still dialing in CSV based on needs, but keeps the pump from cycling...

Water: Well water supply - 13 gpg hardness, 0.164 mg/L iron, 0.034 mg/L manganese Water setup in order: Carbon backwash filter 12x52 Fleck 5800SXT Softener: Fleck 5800SXT Valve, injector black, Drain Flow 3.5gpm (label), 1" ss bypass, 2.0 cu ft resin, 64,000 grain capacity. 5 micron Big Blue UV...

Another good idea as always. I've taken valuable advice from you in the past. I plan to update those posts soon as I've now completed and am in the tinkering phase. Thank you

Thank you, I plan to go with your suggestion.

Like many advertisements, Katalox Light looks like the solution to many problems. However, I read that Ph needs to be 8.0 or higher for Katalox to properly filter manganese. My Ph is not high enough. I think I will go with your suggestions. The iron and manganese levels are low enough...

Thanks Reach. Is there any disadvantage to using Katalox Light instead of Centaur besides the higher backwash GPM requirement? I wanted to remove manganese even at .034 mg/L.

Just got our standard water test back from National Testing Labs. This is our first well and I would really appreciate your advice on softener and filtration recommendations. 5 person household with average water usage. 1" main. 15 GPM. 50-70 psi. Planning to install in this order. Whole...

What's the purpose of this black pipe for the ground plumbing? It was about 5.5" diameter.

Good reminder, I'll take valvemans advice to remove the handle.

Thanks for the great info and advice from both of you. I will be adding ball valves when I set this up, but want to minimize potential errors I make since it's all new to me. If or when the dole valve fails, I'll play with using the ball valve to limit flow then.

20 gpm seems to be more common and easy to source. What happens if 18/20 gpm is exceeded on the CSV? Does that cause premature wear on the CSV? Or does that exceed the pressure limit the CSV is capable of knocking down?

I can't find a 18 gpm dole valve or a retailer listing the Flomatic CDX17 part #. I will try to contact a few dealers. These were the closest to 18 I came across without exceeding. Do you all have preference or advice on a brand to avoid? Even though it's adding another device for potential...

They installed the SQE with a standard pressure switch and tank instead of a CU-301, so it's just running like an SQ. It's been difficult making requests with well drillers/installers in my area. How would I ensure I don't exceed 18 GPM if I'm using a standard well setup with CSV? Would...

Reach- Do Dole valves reduce system pressure before the pressure sensor? What I'm reading indicates Dole valves only limit max flow to the Dole valve GPM rating? Fitter- Pump set at 300'. static is 10'. Grundfos 15SQE15-290 1" 200# poly drop and line to the house. Filter and softener not...

Some progress. Pump was installed but things didn't go exactly according to plans, as usual. Pump set at 300'. static is 10'. Plan to set pressure switch at 50/70 and potentially go up to 60/80 if everything works ok to reduce the differential to prolong CSV life. Grundfos 15SQE15-290...

Thanks, I plan to. Will reach out for support when that comes.

So in the unlikely event that we ran the well down past 285', we would just experience reduced pressure? When we stop using water and the water level rises everything would run correctly? That sounds ideal.