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OEM Hayward Drain Plug with O-Ring SPX4000FG is engineered for use with multiple Hayward pumps and heaters, including Universal H-Series Low NOx and HeatPro units. It features a precision-molded plug and sealing O-ring to ensure tight, leak-free drainage, making it vital for winterization and routine system maintenance. Compatible with models such as EcoStar, TriStar, Max-Flo II, NorthStar, and booster pumps, this genuine Hayward part is built to handle demanding pool conditions with long-term durability.
Highlights
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Compatible Across Hayward Lines: Fits a variety of models including Universal H-Series heaters and EcoStar, TriStar, Max-Flo II, and NorthStar pumps
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Leak Prevention with O-Ring: Includes a sealing O-ring that prevents water seepage at the drain point for reliable maintenance
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Reliable Drainage Support: Designed to simplify drainage procedures during repairs, servicing, or winterizing your equipment
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Lasting Durability: Constructed from rugged materials suited for poolside use, resisting chemicals and weather exposure
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Genuine Hayward Replacement: OEM-certified part ensures proper fit, dependable sealing, and compatibility across systems
Includes
- (1) Drain Plug
- (1) O-Ring
Compatibility
- Hayward H-Series Heaters Models: H150FDN, H150FDP, H200FDN, H200FDP, H250FDN, H250FDP, H300FDN, H300FDP, H350FDN, H350FDP, H400FDN, H400FDP, H500FD
- Hayward Super Pump VS 700 Omni Pump
- Hayward EcoStar Pump
- Hayward TriStar XL Pump
- Hayward TriStar VS Pump
- Hayward TriStar VS 900 Omni Pump
- Hayward TriStar VS 950 Omni Pump
- Hayward TriStar XE Pump
- Hayward TriStar Pump
- Hayward MaxFlo VS 500 Omni Pump
- Hayward MaxFlo VS Pump
- Hayward MaxFlo XE Pump
- Hayward MaxFlo XL Pump
- Hayward Booster Pump 6060 Pump
- Hayward Booster Pump W36060 Pump
- Hayward Max-Flo II Pump
- Hayward HCP 3000 Series Pump
- Hayward HCP 2500 Series Pump
- Hayward NorthStar Pump
- Hayward Universal HC HDF275 Heater
- Hayward Universal HC HDF400 Heater
Note: This part may be compatible with your system, please refer to your owners manual to ensure compatibility.
Additional Info
Common Maintenance and Winterization Tasks
how to drain hayward heater using spx4000fg
plug removal needed for winterizing h-series heater
swap out cracked plug for spx4000fg replacement
slow leak from plug fixed with new gasket
o-ring maintenance tip for hayward pool systems
Confirming Fit with Local Systems
spx4000fg fits h150fd through h500fd models
confirm spx4000fg works with tristar vs 950 omni
use this drain plug for max-flo ii and booster pumps
check owner’s manual for spx4000fg compatibility
part number match for universal hc heater models
Find It Locally and Save
hayward spx4000fg plug at wholesale pool mart
best local price on drain plug and o-ring
buy spx4000fg for multiple hayward pump types
available now at local pool parts distributor
check nearby supply for drain plug replacement
Diagram

Questions & Answers
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