Waterway Hi‑Flo Pump Strainer Housing 310-6500B Replacement Assembly with Lid, Basket & O‑Ring (Black/Gray)

The Waterway 310-6500B Hi‑Flo pump strainer housing is a complete replacement assembly that includes lid, o‑ring, drain plug, split nut, gasket, basket and housing to fit select Hi‑Flo and Hi‑Flo II pumps.

This OEM‑style strainer housing is designed to replace worn or damaged housings on compatible Waterway Hi‑Flo pumps. The part number 310‑6500B is functionally the same as 310‑6500 and arrives in manufacturer packaging; the strainer color may arrive in black or gray. It provides the inlet and pump‑side connections used on many spa and pool pump installations and includes the internal basket and sealing components so you can swap the entire top section in one service visit.

Will this housing fit my pump model?

Check your existing pump connections and dimensions before ordering. The housing is built for select Waterway Hi‑Flo and Hi‑Flo II pump models and uses standard inlet and motor‑side fittings common to those series.

• Inlet: 1.5" female pipe thread or 1.5" Waterway union compatible.
• Pump side: 2" buttress split nut (about 3 1/16" inside diameter) with flat washer.
• Part number: 310‑6500B, equivalent to 310‑6500 in fit and function.

What parts are included in the replacement assembly?

The 310‑6500B ships as a full strainer assembly so you receive all items needed to restore the pump top section without hunting for extra parts. Components are provided loose in manufacturer packaging for immediate installation.

• Lid and lid O‑ring to keep a watertight seal.
• Drain plug for service or winterization access.
• 2" split nut and flat gasket for secure pump attachment.
• Internal pump basket and strainer housing body included.

How do I install the replacement housing?

Installation is straightforward for a technician or experienced DIYer familiar with pump plumbing. Isolate power and water, remove the old housing, transfer or replace the basket, then seat the new O‑ring and tighten the split nut to the pump body.

• Turn off power and close any isolation valves before starting.
• Remove the old split nut and lid, clean mating surfaces, and inspect shaft seal area.
• Lubricate the new lid O‑ring lightly with a compatible lubricant, fit the basket, then secure the split nut and gasket.

Does the housing come in a specific color or packaging?

The assembly is supplied in manufacturer packaging and the strainer insert may be either black or gray depending on stock. Packaging does not affect compatibility or included components.

• Manufacturer packaging (mfg. packaging) included with the part.
• Strainer color varies between black and gray; functional parts are identical.
• Part designated 310‑6500B but cross‑referenced as same as 310‑6500.

Who is this for: technicians, pool and spa service professionals, or knowledgeable homeowners who need a reliable replacement for a damaged or aging Hi‑Flo/Hi‑Flo II pump strainer assembly. If your pump shows leaks at the lid or the basket is cracked, this complete housing and lid kit lets you restore proper sealing and debris collection in a single replacement.