Pentair Sand Dollar SD40 19″ Top Mount Sand Filter | SKU 145320
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Pentair Sand Dollar filters are designed for simplicity, durability, and reliable performance. The SD40’s thermoplastic tank, efficient lateral design, and clamp-style valve make maintenance easier. Warranty: 1‑year limited parts warranty for EC/N models.
Q: How much sand does the SD40 require? A: Approximately 150 lb. of #20 silica sand (or equivalent media)
Q: When should I replace the sand/media? A: Usually every 5–7 years or sooner if pressure rises quickly between backwashes or water clarity declines.
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Description
Description
Pentair Sand Dollar SD40 19″ Top Mount Sand Filter | SKU 145320
Thermoplastic top‑mount sand filter with 1.8 sq. ft filtration area, 40 GPM flow, and 6‑position multiport valve.
Features
- Rated 40 GPM for moderate residential pool flow
- 1.8 sq. ft effective filtration area
- One‑piece thermoplastic tank resists corrosion and degradation
- Clamp‑style 6‑position multiport valve with manual air relief and pressure gauge
- Combination water/sand drain for faster servicing and winterizing
- Uses ~150 lb. of #20 silica sand (or equivalent media)
- Max working pressure ~35 psi; vertical clearance ~46″
Description
The Pentair Sand Dollar SD40 is engineered to deliver solid filtration performance in a compact footprint. With a 1.8 sq. ft media bed and a 40 GPM flow rating, it handles typical backyard pool demands with efficient turnover and manageable backwashes. The thermoplastic body gives strength and chemical resistance, avoiding the corrosion issues of metal tanks. Internally, the lateral system maintains an even sand bed for consistent flow and longer cycle life. The clamp‑style, top-mounted multiport valve offers full control—filter, backwash, rinse, waste, recirculate, closed—with easy visibility and manual air relief for monitoring. A combined drain port eases servicing and winter prep. If you’re looking for balance between size and performance, the SD40 is a dependable choice.
Pro Tip
Monitor the pressure gauge and backwash when pressure rises ~8–10 psi above baseline. If you want finer filtration and reduced media replacement frequency, test glass media as a replacement matched to the same grain profile.
Related Parts
Installation Tips
Mount on a level, solid pad. Use correct 1½″ plumbing with suitable unions or adapters. Always depressurize the system before servicing or opening the valve. Winterize properly per local guidelines to protect from freeze damage.
Specifications
Specifications
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Dimensions19.5 in
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Warranty
Product Warranty
Product Warranty
We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:
- Pentair Warranty
- A&A (Pentair In-Floor) Warranty
- Fluidra Warranty (Zodiac / Jandy / Polaris / Caretaker)
- Paramount Warranty
- BlueSquare Warranty
- Hayward Warranty
- All Other Manufacturer Warranties
Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.
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