Pentair 075207Z 1/4 inch air release valve kit for CF cartridge filtersPentair 1/4" Air Release Valve Kit, 075207Z In stock$2199
Pentair 075207Z 1/4 inch air release valve kit for CF cartridge filters
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Pentair 1/4" Air Release Valve Kit, 075207Z

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$2199
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Quick overview

  • Genuine Pentair Factory kit, part number 075207Z.
  • 1/4 in. size The 1/4 in. air release valve, so check the thread size on your filter lid before ordering.
  • CF cartridge filter part Listed with the CF ABS cartridge filter parts group.
  • Supplied as a kit Comes as the valve kit rather than a loose valve body.
  • Vents trapped air The relief valve is how you bleed air from the filter after opening it or after priming the pump.
  • Safety matters here Never start a filter with the relief valve closed or blocked, and open it before you loosen any clamp or lid.
Full description and specifications ↓

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Product details

The Pentair 075207Z is a 1/4 in. air release valve kit, the manual relief valve listed with the CF ABS cartridge filter. It is the genuine Pentair part.

What it does

Every cartridge filter needs a way to let air out. When the pump is primed or the filter has been opened for a cartridge change, air collects at the top of the tank. Opening the relief valve until a steady stream of water appears clears it, so the filter fills with water instead of running against an air pocket.

When to replace it

Relief valves fail in two ways. They weep or drip when they should be shut, or they seize so they will not open at all. Either one is a reason to fit a new valve rather than try to rebuild the old one. Open the valve before loosening a clamp or lid, and never run the filter with the valve blocked.

Specifications
Brand Pentair
Manufacturer part number 075207Z
UPC 788379801960
Type Air release valve kit
Size 1/4"
Fits Pentair CF ABS cartridge filter
Shipping weight 0.05 lb
Ships Parcel

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Questions and answers

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

What is an air release valve for?
It bleeds trapped air out of the filter. After you open the filter or reprime the pump, you open this valve until water comes out, which lets the filter fill properly and keeps pressure from building behind trapped air.
Which filter is this for?
It is listed for the Pentair CF ABS cartridge filter.
What size is it?
1/4 inch. Confirm the size on your filter before ordering, since air relief valves are made in more than one thread size.
My relief valve drips constantly. Is that this part?
Yes, that is the usual reason to buy it. A relief valve that weeps when closed, or one that has seized shut, is replaced as a unit rather than repaired.
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