Hayward 20 SqFt Perflex Modular DE Filter W3EC40AC Parts & Diagram
Replacement parts and exploded parts diagram for the Hayward 20 SqFt Perflex Modular DE Filter (model W3EC40AC). Find the part on the diagram, then look for the same number (#) next to each part in the Available Parts list and add the parts you need to your cart.
Parts marked Alternate are compatible replacements from other manufacturers.
Other Parts on This Diagram
These parts are not listed for online purchase. Contact us with the diagram number and part number to order.
- #1 – ECX10066 – EC30 EC40/AC Bump Mechanism Cover
- #3 – ECX1322A – Directional AIR Vent Valve W/ Oring (Threaded )
- #6b – ECX1040 – Perflex Bump Handle Assy
- #7a – ECX1037B – Perflex Bump Handle Grip
- #8 – ECX4236A – Perflex DE Bump Handle Screw Kit EC50
- #8a – ECX100Z9 – Perflex Long Pivot Pin (Long )
- #10 – ECX10271A – Perflex Filter Head Screw SET
- #11b – ECX1004A – EC50A/AC EC40/AC Top Tube Sheet (Top )
- #11c – ECX1004 – EC50A/AC EC40/AC Bottom Tube Sheet (Bottom )
- #13 – ECX1014A – Perflex Shaft Kit
- #15 – SPX1500NYA – Perflex Tube Sheet Bolt SET
- #16 – ECX270861 – Bottom Mount Pressure Gauge
- #17 – SP1022C – 1.5"MPT White Plug W/ Oring
- #18 – ECX1256 – Perflex Flow Diffuser W/ Check Valve
- #19 – ECX4077B1 – Perflex/Regenx Check Valve
- #20 – ECX1055 – Perflex/Regenx Flow Controller
- #21c – ECX4034 – EC40AC Filter Body W/ Flow Diff
- - – ECX4035 – EC40AC Flex Tube Nest (Includes 9, 11-15 )
Please confirm your model number matches your existing equipment before ordering.
GTIN:
SKU: DIAGRAM-W3EC40AC
Brand: Hayward
Price range
$4.77 - $237.23
Tax and shipping are calculated at checkout.

Expert Support
Secure Checkout
Quality Guaranteed
Fast Shipping 3-5 Days
Key Features
- Exploded parts diagram for the Hayward 20 SqFt Perflex Modular DE Filter (model W3EC40AC)
- 14 replacement parts available to order online
- Diagram number shown next to every part for easy matching
- Genuine Hayward parts plus compatible alternates
- Add multiple parts to your cart at once