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Hayward D.E. Filter
Basic safety precautions should always be followed, including the following: Failure to follow instructions
can cause severe injury and/or death.
This is the safety-alert symbol. When you see this symbol on your equipment or in this manual, look for
one of the following signal words and be alert to the potential for personal injury.
WARNING warns about hazards that could cause serious personal injury, death or major property
damage and if ignored presents a potential hazard.
CAUTION warns about hazards that will or can cause minor or moderate personal injury and/or property
damage and if ignored presents a potential hazard. It can also make consumers aware of actions that are
unpredictable and unsafe.
The NOTICE label indicates special instructions that are important but not related to hazards.
Owner's Manual
IMPORTANT SAFETY INSTRUCTIONS
Hayward Pool Products
620 Division Street, Elizabeth, NJ 07207
Phone: (908) 355-7995
www.hayward.com
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Contents
Product Warnings......................2
Introduction...............................4
Installation.................................4
Starting Pump and Filter............5
Filter Control Valve.....................6
Winterizing..................................9
Replacement Parts....................10
Warranty.....................................11
Registration................................12
ISDE2423 Rev D
1
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Summary of Contents for Hayward DE2420
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Page 1: Table Of Contents
It can also make consumers aware of actions that are unpredictable and unsafe. The NOTICE label indicates special instructions that are important but not related to hazards. Hayward Pool Products 620 Division Street, Elizabeth, NJ 07207 Phone: (908) 355-7995 www.hayward.com USE ONLY HAYWARD GENUINE REPLACEMENT PARTS... - Page 2 Use only a low pressure (below 5 PSI), high volume blower when air purging the pump, filter, or piping. Use ONLY Hayward clamp system components: DEX2421JKIT clamp assembly, DEX2421J2 nut/bolt assembly, and a DEX2422Z2 metal reinforced seal.
- Page 3 Unawareness of impending danger. Failure to perceive heat. Failure to recognize the need to leave the spa. Physical inability to exit the spa. Fetal damage in pregnant women. Unconsciousness resulting in danger of drowning. SAVE THESE INSTRUCTIONS USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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Page 4: Installation
GENERAL INFORMATION Your Hayward D.E. Filter combines superior water filtration with ease of operation and totally corrosion-free construction. It uses diatomaceous earth (D.E.), which is the most efficient dirt remover and filter medium known. The D.E., which is usually fed through the skimmer at initial start-up, uniformly coats the filter elements that are covered with a custom fitted monofilament polypropylene filter cloth. - Page 5 EFFECTIVE FILTRATION RATE DESIGN FLOW RATE RECOMMENDED AMOUNT OF D.E. DE2420 DE3620 DE4820 DE6020 DE7220 DEP60 DEP80 DEP100 10.0 MAXIMUM WORKING PRESSURE FOR ALL MODELS 50 PSI (3.45 BAR) Head Loss Flow Rate in GPM USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
- Page 6 Use ONLY Hayward clamp system components; DEX2421JKIT clamp system, DEX2421J2 nut/bolt assembly, DEX2422Z2 metal reinforced seal. Non-Hayward clamp components may fail in use and cause explosive component separation. Verify that upper and lower filter bodies are properly secured with the filter body clamp. Never rely on hand tightening the clamp nut to the clamp bolt.
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Page 7: Filter Control Valve
Do not to drop the clamp during removal because the clamp could be damaged. Do not strike the clamp with metal tools as they can damage the clamp. 7. Lift off upper filter body. Do not use the pressure gauge to lift the upper filter body. USE ONLY HAYWARD GENUINE REPLACEMENT PARTS... - Page 8 Hayward cleaning wand (EC2024). Be sure the drain plug is not in place or the drain valve is open. Remove as much of the dirty D.E. and accumulated debris as possible by flushing it out of the drain opening.
- Page 9 BODY AND CLAMP RE-ASSEMBLY Place the metal reinforced seal on the lower filter body (Fig 4). Place the upper filter body on the Hayward DEX2422Z2 metal reinforced seal and lower filter body in a position which allows all operation and safety labels to be clearly visible and the upper body to be centered on the lower filter body.
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Page 10: Winterizing
5. Be sure to leave the drain plug unattached during the winter season to avoid cracking the filter body. SERVICE AND REPAIRS Consult your local authorized Hayward dealer or service center. No returns may be made directly to the factory without the expressed written authorization of Hayward Pool Products. - Page 11 Selecta-Flo Valve 2” SKT SP0740DE Vari-Flo Valve 1 ½” NPT SP0710XR50 *Label Pack: Includes all Warning and Operation Labels, Hang Tag, Wire Vari-Flo Valve 2” NPT SP0715XR50 Tie and Owner’s Manual SP0410X5025 Slide Valve 2” SKT USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
- Page 12 Label Pack: Includes all Warning and Operation DEX6040LA6PAK Labels, Hang Tag, Wire Tie, and Owner's Manual SP1022CBLK 1 1/2" Drain Plug w/O-Ring SX220Z2 O-Ring DEX2420F Bulkhead Fitting DEX2420DCKIT Strap Kit (Optional) SP0425 SelectaFlo Valve USE ONLY HAYWARD GENUINE REPLACEMENT PARTS...
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Page 13: Warranty
No returns may be made directly to the factory without the express written authorization of Hayward pool Products. To original purchasers of this equipment, Hayward Pool Products warrants its products to be free from defects in materials and workmanship for a period of (see below) from the date of purchase. -
Page 14: Registration
New Installation Replacement Please include me on all e-mail communications regarding Hayward Equipment or promotions. Mail to: Hayward Pool Products, 620 Division Street, Elizabeth, NJ 07207 Installation for: Attn: Warranty Dept In Ground Above Ground Or REGISTER YOUR WARRANTY ON-LINE AT WWW.HAYWARD.COM...
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