Well that and the pump is all there is left. Clog maybe…… I don’t know. Seems like a suction prob since I can’t get the pump primed. The pump motor sounds normal, it’s trying to suck water but I don’t know. Should I take pump apart and sand filter?

Follow voltages using your multimeter for the start sequence through the PCB to the Fenwal and to the blower.

Read Pentair MasterTemp Heaters - Further Reading

thanks

ethany said:

I’m starting to think might be problem there.

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Why?

Why clean a 200 cartridge every month, when a 400 can go for 6?

I will be out of town for a few days but I will get some results up here soon.

HermanTX said:

The pictures came through on your previous post.
Can you post a full set of test results?

As your CYA increases be sure to follow the FC/CYA Levels. With a SWCG, you can target a CYA of 60-80.

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Don't fear muriatic acid, respect it. You need eye protection. You should NOT pre-mix. Don't use rubber gloves (if acid gets in the glove and you struggle to get the glove off, the longer the contact the worse it is...if you get a little on your hand/arm, just dunk it in the pool!!!!)

I don't even use a measuring cup. The fewer times I need to handle it the better. Just lower the jug and set it on the water (don't let go!), let the water support the jug, then pour out about what you want. After a while you will get good at home much a cup or two cups looks like.

So here is the label on sand filter……I’m starting to think might be problem there. Are they difficult to disassemble ? Could it be sand is low?

Call Sherwin, ask them if the have 31.45%, 20 Degree Baume Muriatic Acid.
Sherwin Williams
2275 W County Line Rd
Jackson, NJ 08527-2393
(848) 373-7738

Call GN Paints and ask the same:
1144 E Veterans Hwy, Jackson Township, NJ 08527
+1 732 987 4362


Costello's Ace Hardware of Princeton
301 N Harrison St #12-Princeton Shopping
Princeton, NJ 08540-3526

Has this... Transchem Muriatic Acid 1 gal Liquid Mfr# 1335100001 - Ace Hardware

ajw22 said:

Your CYA of 60 is fine for your location.

Just add a bit of acid to lower pH to 7.8

Get some new reagents.

Click to expand...

Thx Ordered the reagents today!

PoolStored said:

I would have no trouble using the Circupool Pump. It is a medium head pump, and sells for about $1000. Probably would be fine.
The Hayward Tristar line are great, high head pumps. The VS 950 is the king, and the VS 900 is the queen. You likely will get no more benefit from the 950 vs. the 900 with regard to the energy efficiency. The 950 will be quieter, and may last longer. Toss up as to what is important to you. The price is reasonable.
You don't indicate WHICH omni. There is OmniLogic, Hayward OmniPL and Hayward OmniHub. Which is he installing?
Florida pool builders and installers waaaaay udersize the filter. It is actually a joke. When we see a 150 or 200 filter on a post, without looking we know you are in Florida. I would get a Hayward skim clear 325 or 425. You can likely go the year and clean them twice.
Ensure you get a T-9, or T-15 cell.

Get a complete quote, with all makes and model #s including the cell. Redact your name and post the quote. We'll confirm.

Click to expand...

Thanks for the reply! Correct, he didn't mention which level of Omni so I have that question out to him. I'm trying to educate myself on the difference between the 3 Omni models. It's interesting that you recommend an even larger filter! I'll post additional info once I have it.

PoolStored said:

Take out chlorine, put in muriatic acid. It is only when you mix the liquids you have a problem.
If it makes you feel better leave the box open for 10 minutes.

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Thank you! I figured I was being too paranoid. Avoided liquid acid thus far because of said paranoia

HermanTX said:

I do not have a drain nearby as it just flows into the rock covered area.

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This is how my pool guy did it, but eventually the river rock in front of my pad filled up with silt. Gross. I was going to do that hose bib thing, so I could connect a hose to it and drain the filter off to some area that could handle the crud. Then I "discovered" the drain hole with the towel-dam trick and that's probably the other reason I abandoned the valve idea. Yah, some trick alright, "Presto change-o, ta da! Where'd it go?!"

smithj51 said:

what is the safest way to make the switch?

Click to expand...

Take out chlorine, put in muriatic acid. It is only when you mix the liquids you have a problem.
If it makes you feel better leave the box open for 10 minutes.

Dragons Den said:

"Paralysis by Analysis".

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Oh, that's what it's called. Yep, I got that.

Jackson, NJ

PoolStored said:

Yup. What city are you in?

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Jackson, NJ

HermanTX said:

I wish Pentair would make an extender with a valve shut off for the drain hole. It is very difficult to reach as you pointed out. I do not have a drain nearby as it just flows into the rock covered area.

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I envisioned fabricating something like this years ago, then kinda gave up on the idea. I was going to put a hose bib on it. If @Newdude is right about the standard thread, I may revisit this today. Part of the problem is the amount of clearance to work with, between the threads and the pad. I took this pic in Feb 2018, so that's how long ago I "started" working on this idea:


I probably gave up because monkeying with such a mission-critical component can backfire. If this fails, that could cost me a pump. (There was a one-star Amazon review describing that very thing, when someone tried out a cheap 3rd-party plug and it came apart. That's why I'm going OEM.) Plus, I only clean my filter once a year. I swear at the plug each year until it comes off, then promptly forget about doing anything about it until next year! Blather, rinse, repeat.

TinFoilHat said:

I'm grateful my pool builder put this on for us. No plug to deal with. I know it's a ball valve but it went leak-free for 21 years before it started to barely drip.

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Something like that would be so great! But I don't know that I'd have room for a big elbow.

Newdude said:

It should be a 1.5 inch NPT plug widely available at the box stores. Who cares what it looks like ? You could always swap it out when the matching one comes, and keep the emergency plug. For those of us that winterize the return plug should fit.

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I didn't think of that. My plug has an o-ring, so I just assumed it wouldn't be NPT. I'll give that a try today and report back.

Newdude said:

I would have called the local pool stores because they'd probably have them and in this instance I wouldn't care it cost $8 more if the pool was back up and running yesterday with the actual part.

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I did think of that. They didn't have one, and I would have gladly paid plenty extra.

I'm guessing that with fireman's switch jumper in place I might be able to check Fenwal operation with another jumper for the blower?

MiScubaJeeper said:

Is the local guy charging too much? Are the items he is recommending overkill for the size of my pool? Hayward vs Pentair is like Ford vs Chevy... Also, I will be purchasing the TFP recommended pool test kit.

Click to expand...

I would have no trouble using the Circupool Pump. It is a medium head pump, and sells for about $1000. Probably would be fine.
The Hayward Tristar line are great, high head pumps. The VS 950 is the king, and the VS 900 is the queen. You likely will get no more benefit from the 950 vs. the 900 with regard to the energy efficiency. The 950 will be quieter, and may last longer. Toss up as to what is important to you. The price is reasonable.
You don't indicate WHICH omni. There is OmniLogic, Hayward OmniPL and Hayward OmniHub. Which is he installing?
Florida pool builders and installers waaaaay udersize the filter. It is actually a joke. When we see a 150 or 200 filter on a post, without looking we know you are in Florida. I would get a Hayward skim clear 325 or 425. You can likely go the year and clean them twice.
Ensure you get a T-9, or T-15 cell.

Get a complete quote, with all makes and model #s including the cell. Redact your name and post the quote. We'll confirm.

Your CYA of 60 is fine for your location.

Just add a bit of acid to lower pH to 7.8

Get some new reagents.