Hayward Pump Housing | SPX5500A

Description

Hayward SPX5500A Pump Housing (Power-Flo Matrix / SP1590 Series)

Hayward SPX5500A is a genuine replacement pump housing for the Hayward
Power-Flo Matrix pump series. This is the main wet-end housing/body that the strainer and internal
pump components mount to. Replace it when the original housing is cracked, leaking, stripped at the ports, or
damaged from freeze or impact.

Key Features

• Part Number: SPX5500A
• Brand: Hayward
• Type: Pump housing (wet-end body)
• Pool Type: In-ground (open line part listing)
• Designed for reliable fit and sealing on compatible Hayward Matrix wet ends

Common Compatibility

• Hayward Power-Flo Matrix pump series: SP1591, SP1592, SP1592FT, SP1593

Common Reasons to Replace

• Housing crack or leak (often from freezing or overtightened fittings)
• Stripped threads at the ports or damaged union/fitting interface
• Persistent seepage that isnt resolved with new O-rings/gaskets
• Warped sealing surfaces that prevent proper wet-end sealing

Installation Notes

• Match the pump model (SP1590 family) and compare housing style/port layout before ordering.
• Shut off power and drain the pump before disassembly.
• Inspect and replace sealing parts (shaft seal and housing O-rings) during a housing swap.
• Use thread sealant appropriate for pool plastics on threaded fittings and avoid overtightening.
• Prime the pump after reassembly and inspect closely for leaks during startup.

Related Products

• Hayward SPX5500A (Pump Housing)
• Hayward SPX5500D Strainer Cover Kit (Lid + Lock Ring + O-Ring)
• Hayward SPX5500H Lid O-Ring
• Hayward SPX1500KA Shaft Seal Assembly
• Hayward Power-Flo Matrix Pump Parts
• Pool-Safe Silicone O-Ring Lubricant

Maintenance Tips

• Keep lid and housing seals clean and lightly lubricated to reduce air leaks and prime loss.
• Winterize properlyfreeze damage is a common cause of cracked pump housings.
• Avoid overtightening threaded fittings; use the correct sealant and hand-tighten plus a small turn if needed.
• If you see recurring leaks, inspect the housing sealing surfaces for warping or hairline cracks.