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$1799
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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$1799
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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.

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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