Waterway Plastics Pump Diffuser Socket-Head Screw #4-40 | 819-0018
Shipping dimensions are reported package measurements, separate from installed product dimensions. Measurements are shown in Pool360’s listed order; length, width and height axes are not specified.UPC & Shipping Dimensions
Manufacturer Part UPC Shipping Dimensions 819-0018 806105136503 7 x 7 x 4 inch
Waterway Plastics 819-0018: diffuser screw. #4-40 socket-head screw. This is a replacement service component, not a complete pump. Manufacturer documents identify the part in: Power Defender 110; Power Defender 165, 225, 270 and 350; SMF; SVL56. Match the exact part number and the diagram for your pump’s configuration. This listing identifies the screw by manufacturer part number and #4-40 thread. An unverified screw length or stainless-steel grade is not assumed. Waterway Plastics’ general limited warranty covers the original purchaser for one year from purchase when installed by a qualified installer, subject to the manufacturer’s exclusions and documentation requirements. Process warranty questions and claims through the point of purchase. Read Waterway’s manufacturer warranty terms.Product FAQs
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Description
Description
Waterway Plastics · 819-0018
Replace the specified diffuser fastener
The 819-0018 is the diffuser screw identified in the manufacturer’s supported pump parts lists. Match its exact part number to the diffuser assembly before ordering.
Check the part before you order
This listing identifies the screw by manufacturer part number and #4-40 thread. An unverified screw length or stainless-steel grade is not assumed.
Follow the applicable manufacturer service instructions. Disconnect power and relieve system pressure before pump service. Use qualified service where the repair involves the motor, shaft seal or pressurized pump assembly.
Find the verified part details in Specifications, document links in Resources & PDF Downloads, and fitment and manufacturer warranty answers in Product FAQs.
Specifications
Specifications
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SKU
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UPC or GTIN
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Size/Connection
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CompatibilityWaterway Plastics Power Defender 110 Single-Speed In-Ground Pool Pump 1.10 THP | PD-110, Waterway Plastics Power Defender 165 Variable-Speed Pool Pump 1.65 THP 115/230V | PD-165, Waterway Power Defender Variable Speed Pump 2.25HP | PD-225, Power Defender VSP Champion 2.7HP 230V | PD-270, Waterway Power Defender 3.5HP Variable Speed Pump | PD-350
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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