Sta-Rite 24900-0503 drain plug for System 3 filtersSta-Rite Drain Plug for System 3 Models, 24900-0503 In stock$4099
Sta-Rite 24900-0503 drain plug for System 3 filters
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Sta-Rite Drain Plug for System 3 Models, 24900-0503

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$4099
In stock
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Quick overview

  • Genuine Sta-Rite Factory part 24900-0503, not a hardware store substitute.
  • Fits 21 inch and 25 inch tanks The drain plug used across the System 3 tank sizes.
  • Sand, cartridge and DE Listed for the System 3 sand, cartridge and modular DE filters.
  • Seals the tank drain The plug that closes the drain port after a winterize or a teardown.
  • A common loss Drain plugs get left off after a cleaning more often than they fail.
  • Cheap insurance Worth keeping a spare on the shelf before an opening.
Full description and specifications ↓

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Product details

The Sta-Rite 24900-0503 is the drain plug for System 3 filters, listed for the 21 inch and 25 inch tanks. It is the genuine Sta-Rite part.

Where it goes

The plug closes the drain port at the base of the filter tank. It comes out when the filter is drained for a cleaning or for winterizing, and it has to go back in and seal before the system can be brought up to pressure again.

Fitment

Sta-Rite lists it across the System 3 range: the sand filters S7S50 and S8S70, the cartridge filters S7M120, S8M150, S7M400 and S8M500, and the DE filters S7D75 and S8D110.

Why people order it

Almost always because the old one did not make it back from the winter. It is a small part that holds up an opening, so a spare on the shelf is worth having.

Specifications
Brand Sta-Rite
Manufacturer part number 24900-0503
UPC 788379828783
Part type Pool Filter Part
Type Drain plug
Fits 21" and 25" tank
Filter series Sta-Rite System 3 sand models S7S50 and S8S70, cartridge models S7M120, S8M150, S7M400 and S8M500, DE models S7D75 and S8D110
Shipping weight 0.25 lb
Ships Parcel

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Questions and answers

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

Which tanks does this plug fit?
It is listed for the 21 inch and 25 inch System 3 tanks.
Does it fit the DE and cartridge filters as well as the sand?
It is listed across the System 3 range, covering the sand models S7S50 and S8S70, the cartridge models S7M120, S8M150, S7M400 and S8M500, and the DE models S7D75 and S8D110.
Is this a genuine Sta-Rite part?
Yes, part number 24900-0503.
Should I keep a spare?
Most techs do. The plug is usually lost at winterizing rather than worn out, and a missing one stops the filter being brought back up.
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