Sta-Rite PKG 188 union half, 2 inch by 2 inch slipSta-Rite Union Half, 2" x 2" Slip, PKG 188 In stock$3199
Sta-Rite PKG 188 union half, 2 inch by 2 inch slip
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Sta-Rite Union Half, 2" x 2" Slip, PKG 188

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$3199
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Quick overview

  • Two inch slip both ends A 2 inch by 2 inch slip union half, solvent welded to rigid PVC pipe.
  • Wide fitment Used on Sta-Rite Dyna-Glas and Dyna-Max, Dyna-Pro and Dyna-Pro E medium head, and Max-E-Pro pumps.
  • Also a heater part The same union half appears in the Pentair MasterTemp gas heater water system.
  • Unions make service possible With a union at each port the pump or heater comes out without cutting pipe.
  • Half, not a pair This is one union half, so count the ports you need before ordering.
  • Lube the o-ring Union o-rings last longer and seal better with a silicone based lubricant on assembly.
Full description and specifications ↓

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Product details

The Sta-Rite PKG 188 is a 2 inch by 2 inch slip union half. Both ends are slip, so it solvent welds onto rigid 2 inch PVC pipe.

Where it is used

It appears on Sta-Rite Dyna-Glas and Dyna-Max pumps, on the Dyna-Pro and Dyna-Pro E medium head pumps, on the Max-E-Pro series, and in the Pentair MasterTemp gas heater water system. That breadth is normal for a union half, which is a plumbing part rather than a model specific casting.

Why unions earn their place

A union at each port is what lets a pump or heater come off the pad without a saw. When a union half cracks at the threads or the pipe stub, replacing it is far cheaper than reworking the plumbing, and it keeps the next service call simple.

On assembly

This listing is a single union half, so count your ports. Put a silicone based lubricant on the o-ring before you tighten it up, and hand tight is usually enough.

Specifications
Brand Sta-Rite
Manufacturer part number PKG 188
UPC 022315116832
Fitting type Union
Size 2"
Connection 2" x 2" slip
Fits Sta-Rite Dyna-Glas and Dyna-Max pumps, Sta-Rite Dyna-Pro and Dyna-Pro E medium head pumps, Sta-Rite Max-E-Pro series, Pentair MasterTemp gas heater water system
Shipping weight 0.85 lb
Ships Parcel

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Questions and answers

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

Is this one union half or a complete union?
One half. If you are plumbing both ports of a pump you need two.
What size pipe does it take?
Two inch. Both ends are 2 inch slip, so they solvent weld to rigid 2 inch PVC.
Which pumps use it?
Sta-Rite Dyna-Glas and Dyna-Max, Dyna-Pro and Dyna-Pro E medium head, and the Max-E-Pro series. It is also used in the Pentair MasterTemp gas heater water system.
Should I use lubricant on the o-ring?
Yes. A silicone based o-ring lubricant helps the union seal and makes it far easier to break loose the next time the equipment comes out.
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