Pentair 152220Z 2 inch NPT left-hand threaded spigot sand filter drainPentair Genuine OEM 2" NPT Left-Hand Threaded Spigot Sand Filter Drain, 152220Z In stock$4799
Pentair 152220Z 2 inch NPT left-hand threaded spigot sand filter drain
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Pentair Genuine OEM 2" NPT Left-Hand Threaded Spigot Sand Filter Drain, 152220Z

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$4799
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Quick overview

  • Left-hand thread The spigot is left-hand threaded, so it tightens the opposite way to normal pipe thread. Do not force it as if it were standard.
  • 2 inch NPT The drain spigot is 2 inch NPT.
  • Genuine Pentair Factory part 152220Z, matched to the filter tank rather than adapted from generic fittings.
  • Triton sand filters Listed for the Triton II and Triton C-3 side mount sand filter families.
  • Two published model lists The part name cites TR140 and TR140C, the product listing cites TR100, TR100C and TR100C-3, so check yours against both.
  • The winterizing part This is the drain you open to empty the tank before a freeze, and a seized or cracked one turns that job into a problem.
Full description and specifications ↓

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Product details

The Pentair 152220Z is the sand filter drain with a 2 inch NPT left-hand threaded spigot, listed for the Triton II and Triton C-3 side mount sand filters. It is the genuine Pentair part.

Which model, exactly

The source information for this part is not consistent, so both readings are given. The product description names the Triton II and Triton C-3 models TR100, TR100C and TR100C-3. The part is also carried under the name sand drain kit for TR140 and TR140C. Compare the drain on your own tank to the part before ordering rather than assuming from the tank badge.

The left-hand thread

This spigot is left-hand threaded. That catches people out: turning it the way a normal fitting would go makes it feel seized, and enough force at that point cracks the boss on the tank. Turn it the other way and it moves.

Why it fails

A sand filter drain spends the season closed and gets asked to work once, at winterizing, usually in the cold. That is when the old one splits or refuses to seal again afterward. Replacing it is cheap insurance against a tank you cannot empty before a freeze.

Specifications
Brand Pentair
Manufacturer part number 152220Z
UPC 788379857950
Type Sand filter drain
Connection 2" NPT left-hand threaded spigot
Listed fits, product description Triton II and Triton C-3 sand filter models TR100, TR100C, TR100C-3
Listed fits, part name Sand drain kit for TR140, TR140C
Shipping weight 0.4 lb
Ships Parcel

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Questions and answers

What people ask about this product, answered by our pool techs.

Does this fit a TR100 or a TR140?
The source lists both and does not agree with itself. The product description names the Triton II and Triton C-3 models TR100, TR100C and TR100C-3, while the part is also named as the sand drain kit for TR140 and TR140C. Check the drain on your tank against both before ordering.
Why is the thread left-handed?
Pentair uses a left-hand thread on this spigot. It means the fitting tightens counter to a normal pipe thread, and trying to turn it the usual way will feel like it is seized.
What size is the connection?
2 inch NPT.
When would I need this?
Usually at winterizing, when a drain that has sat untouched all season will not open or splits when it does. It is also the part to change if the tank weeps at the drain.
Ask your own question