Val-Pak V38-131 replacement seal plate for American Products Ultra-Flow pumpsVal-Pak Ultra Flow Pump Replacement Seal Plate, V38-131 In stock$14599
Val-Pak V38-131 replacement seal plate for American Products Ultra-Flow pumps
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Val-Pak Ultra Flow Pump Replacement Seal Plate, V38-131

Ask a questionMPN V38-131
$14599
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Quick overview

  • Replaces 39004910 The Val-Pak equivalent of the original American Products seal plate.
  • Fits Ultra-Flow pumps Made for the American Products, now Pentair, Ultra-Flow pump family.
  • Bolts molded in The mounting bolts are molded into the plastic, so they come with the plate.
  • Black plastic Molded plastic construction, matching the original part.
  • The heart of the wet end The seal plate carries the shaft seal and closes the volute against the motor.
  • Lube the o-rings A tube of silicone o-ring lubricant is worth having on hand when the wet end goes back together.
Full description and specifications ↓

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Product details

The Val-Pak V38-131 is a replacement seal plate for American Products Ultra-Flow pumps, the line now carried by Pentair. It replaces original part 39004910 and is molded in black plastic.

What the seal plate does

The seal plate sits between the motor and the volute. It holds the stationary half of the shaft seal and closes the wet end against the motor face, so a cracked or warped plate shows up as a leak between the pump body and the motor. Replacing it restores a flat, true sealing surface for the shaft seal to run against.

Fitting notes

The mounting bolts are molded into the plastic, so they arrive as part of the plate. The shaft seal and the volute o-ring are separate items and are the usual companions to this job, since the same teardown reaches all three. A light coat of silicone o-ring lubricant helps everything seat on reassembly.

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 Val-Pak
Manufacturer part number V38-131
Replaces 39004910
UPC 811636022690
Type Seal plate
Part type Pool pump part
Material Plastic
Color Black
Fits American Products (Pentair) Ultra-Flow pumps
Mounting bolts Molded into the plastic
Shipping weight 2.35 lb
Ships Parcel

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Questions and answers

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

Which pumps does this seal plate fit?
American Products Ultra-Flow pumps, the line now sold under Pentair.
What original part does it replace?
It replaces 39004910, the American Products seal plate.
Do the mounting bolts come with it?
Yes. They are molded into the plastic plate rather than supplied loose.
Does it include the shaft seal?
No. This listing is the seal plate itself. The shaft seal and the volute o-ring are separate parts, and both are worth replacing while the pump is apart.
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