Doughboy 5-3786-004 ESPA SilenPlus variable speed pump and 23 in. sand filter systemDoughboy ESPA SilenPlus Variable Speed Pump and 23 in. Sand Filter System 5-3786-004$1,07299
Doughboy 5-3786-004 ESPA SilenPlus variable speed pump and 23 in. sand filter system
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Doughboy ESPA SilenPlus Variable Speed Pump and 23 in. Sand Filter System 5-3786-004

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$1,07299
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Quick overview

  • Filter and pump together A 23 in. sand filter tank and an ESPA SilenPlus variable speed pump supplied as one matched system.
  • Variable speed The SilenPlus runs slowly for everyday filtering and steps up when you need more flow for vacuuming or backwashing.
  • Tank size The filter tank measures 23 in. in diameter.
  • Quieter at the pad A pump that spends most of its day below full speed is noticeably quieter than a single speed unit running flat out.
  • Part numbers Sold as Doughboy 5-3786-004, system model 5-SILENPLUS 115.
  • Installation instructions The manufacturer supplies installation instructions with the system.
Full description and specifications ↓

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Product details

Doughboy part 5-3786-004 is a complete sand filter package: a 23 in. sand filter tank matched to an ESPA SilenPlus variable speed pump, sold as one system under model 5-SILENPLUS 115.

Why buy the pair together

Buying a filter and a pump separately means matching flow rates yourself and hoping the plumbing lines up. A factory package removes that guesswork. The tank and the pump are sized to each other and arrive as one purchase, which is the simplest way to replace a tired filtration setup on an above ground pool.

Variable speed in practice

A variable speed pump does not have to run at full output all day. Most filtering happens at a low speed, where the pump is quieter and gentler on the whole system, and the speed comes up only for vacuuming, backwashing or running an attached feature. Owners who move from a single speed pump usually notice the drop in noise at the pad first.

Before you install

The system ships with manufacturer installation instructions. Have the electrical supply at the pad checked against the pump requirements before the install day, and plan for filter sand at the same time so the tank can be charged and started in one visit.

Specifications
Brand Doughboy
Manufacturer part number 5-3786-004
Model 5-SILENPLUS 115
Type Sand filter system with pump
Tank diameter 23 in.
Pump ESPA SilenPlus variable speed
Documentation Installation instructions
Shipping weight 140 lb
Ships Freight

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Customer reviews

Questions and answers

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

What comes in this system?
A 23 in. sand filter tank and an ESPA SilenPlus variable speed pump, sold together under Doughboy part number 5-3786-004.
What size is the filter tank?
The tank is 23 in. in diameter.
Is the pump single speed or variable speed?
Variable speed. You can filter at a low, quiet speed for most of the day and raise the speed when you need more flow.
How much horsepower is the pump?
Our sources do not agree on the horsepower rating for this package, so ask us to confirm before ordering if the rating matters for your plumbing or your electrical supply.
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