Pentair 151122 O-Ring for Big Blue Filter Housing
Replacement O-Ring for 1/4", 3/8" and 1/2" Inlet Slimline and Standard Filter Housings. The O-Ring is made of Nitrile Rubber or Buna-N rubber for added strength and elasticity to create create a tighter seal. The O-Ring creates a watertight seal in the housing and must be replaced if damaged.
Overall rating: 4.5454545 / 5 from 11 reviews.
Review topics: [].
"hi orings for big blue filter that were sent are 3. 000 dia. the ones I have are are 5. 875 dia. the filter that goes in big blue is 4 or 5" in dia. 3 inch o ring will not work sending back tim, in tec. support was very helpful thanks"
"Haven’t used it yet.I purchased it a a backup."
"A good idea to order when you need a nee filter."
"The o-rings ordered with my replacement filters did not fit the housing for my PURA UVBB system. They were too big."
"Everything was great except for the rubber seals. The rubber seals I received in this order were 2" when I ordered 6". Other than that, the product was delivered on time and everything was included in the packaging."
"Easy ordering, good customer advice, quick delivery. Just ok value"
"Great service"
"Worked great"
"The part fit good and made a good seal."
"No leaks! All is well"
Q:
What is the Pentair 151122 O-ring used for?
A:
It creates the watertight seal between the sump and cap on compatible Big Blue filter housings. The catalog also associates it with the listed Pura UVBB systems.
Q:
Which systems does the catalog list for this O-ring?
A:
The catalog lists O-RING, UVBB-1, UVBB-2, UVBB-3. Check the exact model or part number on the existing equipment before ordering Pentair 151122 O-ring.
Q:
When should this O-ring be replaced?
A:
Replace it if it is cut, flattened, stretched, brittle, swollen, or leaking. Keeping a spare on hand can prevent an interrupted maintenance visit.
Q:
Should I lubricate the Pentair 151122 O-ring?
A:
Use only a very light coating of food-grade silicone lubricant when the equipment instructions call for it. Do not use petroleum jelly or overapply lubricant.
Q:
Can a new O-ring correct every housing leak?
A:
No. A new seal helps only when the leak is caused by a worn, missing, twisted, or damaged O-ring. Also inspect the housing, sleeve, sealing groove, cap, and retaining hardware for damage or debris.
Q:
How do I confirm this is the correct seal?
A:
Match the part number and dimensions, not color or appearance alone. O-rings that look similar can have different inside diameters, cross sections, and materials.
