Polaris R0537000 drain plug with o-ring for the PB4-60 booster pumpPolaris Drain Plug with O-Ring for PB4-60, R0537000 In stock$1599
Polaris R0537000 drain plug with o-ring for the PB4-60 booster pump
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Polaris Drain Plug with O-Ring for PB4-60, R0537000

Ask a questionMPN R0537000
$1599
In stock
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Quick overview

  • Genuine Polaris The factory drain plug, part R0537000.
  • O-ring included The plug comes with its o-ring, which is the part that actually does the sealing.
  • New style PB4-60 For PB4-60 booster pumps after serial number PB120111001.
  • Check your serial number Earlier PB4-60 pumps use a different plug, so read the serial before ordering.
  • The winterizing part This is the plug you pull to drain the booster pump volute before a freeze.
  • A common loss Drain plugs get set down and lost every winter, and a missing one means the pump cannot hold prime.
Full description and specifications ↓

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Product details

The Polaris R0537000 is the drain plug with o-ring for the new style PB4-60 booster pump. It fits pumps built after serial number PB120111001.

Read the serial number first

Polaris changed the PB4-60 body partway through production, and the drain plug changed with it. The serial number on the pump label is what tells you which side of that change your pump is on. This part is the one for pumps after PB120111001.

What it is for

The drain plug is how water gets out of the pump volute. It matters most at closing, when a housing left full of water can freeze and crack. It is also the part most often lost, because it comes out once a year and gets set down somewhere.

The o-ring is the seal

A booster pump that weeps at the drain plug is almost never a cracked housing. It is a flattened, cut or hardened o-ring. This listing includes the o-ring with the plug, so the whole seal is new.

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

Where this part goes

7 Key 7 on the Polaris PB4-60 Booster PumpFits every model in the drawing.See it on the diagramAll Polaris Booster Pump Parts 34 parts and the drawing
Specifications
Brand Polaris
Manufacturer part number R0537000
UPC 052337058773
Type Drain plug with o-ring
Fits Polaris PB4-60 booster pumps after serial number PB120111001
Style New style
Included Plug and o-ring
Shipping weight 0.05 lb
Ships Parcel

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Questions and answers

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

Which PB4-60 pumps does this fit?
PB4-60 booster pumps after serial number PB120111001, the new style body. Find the serial number on the pump label before ordering.
Does the o-ring come with it?
Yes. The plug is supplied with its o-ring.
What is the drain plug for?
It is what you remove to drain water out of the booster pump volute, most often when closing the pool for winter so nothing freezes inside the housing.
My pump leaks around the plug. Is this the fix?
Usually yes. A weep at the drain plug is almost always a flattened or cut o-ring, and this part replaces both the plug and the o-ring.
Ask your own question