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Doughboy Sequel II 0-1651-000 - User Manual

Doughboy Sequel II 0-1651-000
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365-1919
PICKUP PHOTO FROM PREVIOUS OWNER'S GUIDE
365-1741
7/96
Sequel II
TM
Rotary DE Filter
Model 0-1651-000
Owner's Guide

Questions and Answers

  • B
    Brittany HallAug 1, 2025
    How to fix high gauge pressure and low return flow in Doughboy Water Filtration Systems?
    • U
      uweaverAug 1, 2025
      If you notice high gauge pressure and low return flow in your Doughboy Water Filtration Systems, it means the filter requires backwashing. Perform backwashing to correct the issue. In some cases, it may be necessary to disassemble the filter and wash the grids with a solution of 1 part muriatic acid to 4 parts water.
  • K
    Kevin AdamsAug 5, 2025
    What to do if Doughboy Sequel II 0-1651-000 Water Filtration Systems has low pressure and the pump draws air?
    • C
      Courtney MooreAug 5, 2025
      If your Doughboy Water Filtration Systems experiences low gauge pressure and low flow, and the pump is drawing in air (indicated by bubbles returning to the pool) or sounds like marbles are rattling inside, it could be due to a low pool water level. Immediately switch the pump off and fill the pool until the water level is between the markers on the skimmer faceplate. Also, ensure that you clean the strainer assembly and tighten the pump strainer assembly lid.
  • B
    bellzacharyAug 10, 2025
    Why Doughboy Water Filtration Systems has high flow but pool water won't clear up?
    • C
      Christopher PowersAug 10, 2025
      If your Doughboy Water Filtration Systems has a high flow rate and low or normal gauge pressure, but the pool water remains unclear, it may be due to a chemical imbalance in the pool water. Use a water test kit to check the balance and adjust accordingly.
  • T
    Thomas BaileyAug 14, 2025
    What causes very short filtering cycles in Doughboy Sequel II 0-1651-000 Water Filtration Systems?
    • J
      jchapmanAug 14, 2025
      If you're experiencing very short filtering cycles with your Doughboy Water Filtration Systems, it's likely due to excessive suspended contaminants or algae in the pool water. The filter will require frequent backwashing until the pool water clears up.
  • A
    Ashley BrockAug 18, 2025
    How to stop cloudy puffs from Doughboy Water Filtration Systems return fitting?
    • G
      graymartinAug 18, 2025
      If you see a cloudy puff coming out of the return fitting of your Doughboy Water Filtration Systems, place the valve handle in the FILTER TO WASTE position when turning on the pump and during precoating of D.E.. If you are vacuuming, place the valve handle in the PUMP TO WASTE position.
  • E
    Elizabeth MillerAug 23, 2025
    How to fix water leaking to waste in Doughboy Sequel II 0-1651-000 Water Filtration Systems?
    • K
      Kelly WangAug 23, 2025
      If water is leaking to waste in your Doughboy Water Filtration Systems, inspect the drain cap and gasket for any needed repairs. Additionally, actuate and rotate the valve handle to clear the seating area of debris. If necessary, replace the valve gasket in the tank cover.
  • V
    vwilliamsAug 27, 2025
    What to do if Doughboy Water Filtration Systems is backwashing in filter position?
    • J
      Jordan DavidsonAug 27, 2025
      If the filter is backwashing when the valve handle is in the FILTER position after servicing your Doughboy Water Filtration Systems, it indicates that the valve cover is assembled backwards on the tank cover (180[o ]from the correct position).

Summary

Important Safety Instructions

Installing the Sequel II Filter

Hose Installation

Instructions for correctly connecting suction and return hoses to the filter system.

Pad Preparation

Guidance on preparing a level and stable pad using patio blocks for filter placement.

Sequel II Operating Positions

Filter Position

Normal running mode for filtering pool water, dependent on pool conditions.

Backwash Position

Mode to reverse water flow for cleaning dirt and debris from the filter.

Initial Start-Up and Operation

Adding DE

Procedure for adding Diatomaceous Earth (D.E.) to coat filter grids for effective filtration.

Never Operate Without DE

Critical warning against operating the filter without the necessary D.E. powder.

Routine Care and Maintenance

Backwashing Procedure

Detailed steps for cleaning the filter by reversing water flow, including filter-to-waste steps.

Lubrication

Instructions for lubricating O-rings and valve rotors for smooth operation and longevity.

Vacuuming Pool

Guidelines for vacuuming pool debris, including specific methods for heavy debris.

Chlorine Handling

Safety precautions and methods for adding chlorine and other chemicals to pool water.

Winterizing

Steps for draining, cleaning, and storing the filter system for winter in freezing climates.

Trouble Shooting

Service

Parts List

Exploded Parts Diagram

A visual diagram illustrating all filter components and their corresponding part numbers.

Doughboy Sequel II 0-1651-000 Specifications

General IconGeneral
BrandDoughboy
ModelSequel II 0-1651-000
CategoryWater Filtration Systems
LanguageEnglish

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