CMP 21063-154-000 CPVC pump union, 1-1/2 in. slip by male thread with o-ringCMP Pump Union CPVC 1-1/2" Slip by Male Thread with O-Ring, 21063-154-000 In stock$1499
CMP 21063-154-000 CPVC pump union, 1-1/2 in. slip by male thread with o-ring
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CMP Pump Union CPVC 1-1/2" Slip by Male Thread with O-Ring, 21063-154-000

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$1499
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Quick overview

  • Slip by male thread One end solvent welds to 1-1/2 in. pipe, the other threads into the pump port, so the pump can come out without cutting anything.
  • O-ring seal The union face seals on an o-ring rather than a gasket, so it can be broken and remade repeatedly without leaking.
  • CPVC body CPVC handles warmer water than standard PVC, a useful margin on pumps plumbed near a heater.
  • 1-1/2 in. size Sized for the 1-1/2 in. plumbing found on most residential pool pumps.
  • Service friendly A union on each side of the pump turns a repair into a two nut job instead of a replumb.
  • Genuine CMP Made by CMP under part number 21063-154-000.
Full description and specifications ↓

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Product details

The CMP 21063-154-000 is a 1-1/2 in. CPVC pump union with a slip socket on one side and a male threaded end with o-ring on the other. It is the fitting that lets a pool pump be unbolted from the plumbing for service instead of being cut out.

How it connects

The slip end solvent welds onto 1-1/2 in. pipe. The male threaded end screws into the pump housing. The union nut in the middle draws the two halves together on an o-ring, which means the joint can be opened and closed as often as needed without a new gasket each time.

Why CPVC

CPVC handles warmer water than standard PVC, so this union is a sensible choice on the pump side of a heater loop or anywhere the plumbing sees heat.

Sizing

This is the 1-1/2 in. slip version. If your suction or return side is plumbed in 2 in. pipe, CMP also makes a 1-1/2 in. thread by 2 in. slip hi-temp union, part 21063-160-000.

From Pool School

How to Prime a Pool PumpFrom the breaker to a full pot, each manufacturer's time limit, and what to check when it won't catch prime. Read Replace the Pool Pump Motor or the Whole Pump?The manufacturers' tests first, what each repair replaces, and the federal motor rule. Read
Specifications
Brand CMP
Manufacturer part number 21063-154-000
UPC 849640000304
Fitting type Union
Material CPVC
Size 1-1/2"
Connections 1-1/2" slip by male thread
Seal O-ring
Shipping weight 0.6 lb
Ships Parcel

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Questions and answers

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

What are the two ends of this union?
One side is a 1-1/2 in. slip socket that solvent welds onto pipe. The other side is a male threaded end with an o-ring that screws into a threaded pump port.
Why CPVC rather than PVC?
CPVC tolerates higher water temperatures than standard PVC, which is helpful when the pump sits close to a heater or in a hot climate.
Does it include the o-ring?
Yes. The union ships with its o-ring.
Is there a version with a 2 in. slip end?
CMP makes a 1-1/2 in. thread by 2 in. slip hi-temp union under part number 21063-160-000, sold separately.
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