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Thanks brother! Is that diagram pic and part list for my Pentair valve? Just want to make sure that I replace all 3 o-rings with the right part numbers. I'm looking for one of item 6 (part # 51016200Z) and two of item 8 (part # 192039Z)...correct?

That's the 2 smaller ones correct? Will I need to remove the 8 screws or can I access it from knob piece on the top? Also, do I lubricate those 2 o-rings? Would you happen to know the part number or size o-ring I would need?

I noticed today that my main return jandy valve is leaking right below the top knob (red circle where arrow is pointing), but only when turned one way...when it's turned to pool off (as pictured) and the water is diverted only to my spa (where the handle is pointing). When I divert the flow back...

Poolman (and the others who responded) thanks for the help! I changed out the thermal regulator which was rusted out pretty bad (wouldn't open up and wasn't even seated properly), with a new thermal regulator and it seems to be working again. I attached a picture of the old rusted one for reference.

@1poolman1, could a crack in the plastic of the air bleeder assembly (small air leak I can hear when pump is off) where the pressure gauge screws in at cause the spa to slowly lose water?

Poolman, could a small air leak in my T-piece (plastic is cracked where the pressure gauge screws into) on top my sand filter cause the spa to lose water? I just noticed today that it is cracked and has a very small air leak coming from the crack. I could hear it when my pump was turned off.

Ahhhh thanks for the explanation. I'll start with the check valve and remove the flapper to inspect it. I actually don't even see the flapper open up when I open flow to the spa...is that normal? I'm thinking it might be stuck somewheres in the middle (halfway open).

I'll post a pic of the entire setup later this afternoon and label everything. In the pic the pool/spa valve was open, but that was CLOSED OFF TO SPA when I tested it (I took the picture a day later). If the check valve is bad it would allow water to leak back through up towards the spa/pool...

Can a jandy valve turned to spa off with only return water running to pool also act as a backflow preventer from the spa (when the pump is off) since the off is to the spa return? I just assumed it since water was being diverted to the pool, it would also not allow waterto backflow through the...

Raised spa with only 2 main returns (spa and pool return labeled in red). I've included a pic of my setup for reference. I have an in-line backflow preventer on the spa return (light teal circle) which I think is bad and not working correctly. I don't even see the flap inside opening or closing...

I need the one with 8 screws though, and I just need the clear piece with the flap attached (not the whole assembly).

I just need the clear piece that screws on with the flap attached, not the entire assembly. It is for the one with 8 screws like the pic. Just want to make sure I'm getting the right one. It is actually vertical in my pool plumbing, I just rotated the picture 90 degrees so yall could see it...

Can I change out just the thermal regulator or should I get the one that comes with the spring, cap, and o-ring included in the package?

Thanks so much! So just to clarify, I should just go ahead and replace BOTH the thermal regulator and internal bypass? Is the internal bypass a valve? What degree of difficulty is it to change these 2 parts out? Can a simple YouTube video suffice for instructions on how to change them out?

Filter and baskets are clean. Older single speed high flow Pentair pump. No error codes, but now that you mention it...I definitely DID hear some banging noises that randomnly started from somewheres inside the heater when all this was happening (I even said to myself "that can't be good"). Not...

No, I don't have any automation. Pump primes up and functions like normal, so the flow seems like it isn't the issue.

Backstory...gas heater for a saltwater pool. Has always worked fine, up until recently. Problems began when it started to randomly turn the heater unit on when the pool pump would turn on (not sure if this is a coincidence or not). Then when it would turn on, the numbers started jumping up very...

It's a Pentair Triton II sand filter. I think my plumber could get it done if I bought the valve assembly.

Maybe I'll just keep the new handle (since they only last a few years) to use a replacement and just buy a whole new assembly with that bottom piece. Any idea how hard it is to change out?

What is the name of the beige piece of plumbing below the multiport valve assembly handle that my fingers are pointing to? And how difficult is it for a layperson to change?? Mine is cracked and leaking, so I need to get it changed out soon. Does anyone have a link to a thread or video that I...

Just wanted to give y'all a quick little review on this bulb beings there wasn't many I could find on it prior to purchasing it. Our spa bulb went out and we decided to replace it with a color changing LED, previous bulb was a 250w halogen (would get EXTREMELY HOT to the point that it could burn...

I installed a pair of Dayton Audio IO655 speakers last year and I highly recommend them. They are currently $86 for the PAIR. From a "best bang for your buck" standpoint...these cannot be beat.

I've been getting 12% for only $2.50 a gallon at my local chemical and janitorial store. Their stock is always fresh and replenished weekly in drums. Y'all may want to check and see if y'all have a local janitorial supply company and call them to inquire about their bleach.

Merged thread - TFP Mod Are your pool and spa lights on the same switch (meaning both the pool and spa lights come on at the same time when the switch is turned on) or separate switches (pool and spa lights can be turned off/on independently from one another)? Just trying to see what the...