Pentair R172370 bottom locking flange for Dynamic Series cartridge filtersPentair Bottom Locking Flange for Dynamic Series Cartridge Filters, R172370 In stock$1299
Pentair R172370 bottom locking flange for Dynamic Series cartridge filters
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Pentair Bottom Locking Flange for Dynamic Series Cartridge Filters, R172370

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$1299
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Quick overview

  • Bottom locking flange R172370 is the bottom locking flange for the filter housing.
  • 7-1/8 in top, 8-1/8 in bottom Outer diameter measures 7-1/8 inch at the top and 8-1/8 inch at the bottom.
  • 6-3/4 in inner diameter The inner diameter is 6-3/4 inch.
  • Fits Dynamic Series IV filters Fits Dynamic Series IV Filter models DFML25C, DFML25, DFML35 and DFML50.
  • Fits Dynamic Series II and III filters Also fits the RTL and RCF model Dynamic Series II and III filters.
  • Genuine Pentair part Cataloged under the Pentair brand.
Full description and specifications ↓

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Product details

The Pentair R172370 is the bottom locking flange for Dynamic Series cartridge filter housings, holding the filter body closed at the base while the unit is under pressure.

Size

The flange measures 7-1/8 inch across the top outer diameter and 8-1/8 inch across the bottom outer diameter, with a 6-3/4 inch inner diameter, sized to clamp around the housing seam.

Fit and compatibility

R172370 fits the Dynamic Series IV Filter, models DFML25C, DFML25, DFML35 and DFML50, as well as the Dynamic Series II and III Filter, model RTL/RCF, so the same flange covers both filter families.

Before you order

Confirm the model number on your filter housing before ordering, since this flange size is shared across several Dynamic Series models rather than being unique to just one. R172370 is sold individually as a genuine Pentair replacement part, not as part of a repair kit.

Specifications
Brand Pentair
Manufacturer part number R172370
UPC 788379701833
Type Bottom locking flange
Outer diameter 7-1/8 in top, 8-1/8 in bottom
Inner diameter 6-3/4 in
Fits Dynamic Series IV Filter models DFML25C, DFML25, DFML35, DFML50; Dynamic Series II and III Filter model RTL/RCF
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.

What are the dimensions of the R172370 flange?
Outer diameter is 7-1/8 inch at the top and 8-1/8 inch at the bottom, with a 6-3/4 inch inner diameter.
What filters does R172370 fit?
It fits the Dynamic Series IV Filter, models DFML25C, DFML25, DFML35 and DFML50, and the Dynamic Series II and III Filter, model RTL/RCF.
Is this the top or bottom flange?
R172370 is the bottom locking flange.
Is it sold individually?
Yes, R172370 is sold as a single flange.
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