
Hayward Hydrostatic Relief Valve Tool, SP1056T
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Quick overview
- Hayward part SP1056T The factory install and removal tool for the SP1056 hydrostatic relief valve.
- Reaches below plaster level Made to get down onto valves that sit under the plaster line in the pool floor.
- Takes re-bar for leverage Holes in the tool accept a length of re-bar so you can break loose a valve that will not turn by hand.
- For the pool bottom valve Used on the hydrostatic relief valve in the main drain sump at the floor of the pool.
- Frees seized valves The tightest valves are the reason this tool exists, and pliers usually just destroy the valve body.
- Install as well as remove The same tool seats the new valve, so it earns its place in a service kit.
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Frequently bought together

Hydrostatic Relief Valve Tool, SP1056T
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Product details
The Hayward SP1056T is the install and removal tool for the SP1056 hydrostatic relief valve. It is built to reach valves that sit below plaster level in the pool floor.
Why the tool matters
The hydrostatic relief valve threads into the main drain sump at the bottom of the pool, where it lets the ground water table around the shell equalize with the water inside. Once plaster is over it, the valve is recessed and awkward, and years in the water leave it seized. Trying to turn one with pliers or a screwdriver usually shears the valve rather than freeing it.
Getting leverage
The tool has holes through it that take a length of re-bar. With re-bar through, you have a long handle and can put real force on a valve that will not budge. The same tool seats the replacement valve, so the job goes back together with the right fit.
| Brand | Hayward |
|---|---|
| Manufacturer part number | SP1056T |
| UPC | 610377045872 |
| Type | Install and removal tool |
| For | Hayward SP1056 hydrostatic relief valve |
| Location | Hydrostatic relief valve in the pool bottom, main drain |
| Leverage | Holes accept re-bar for increased leverage |
| Shipping weight | 0.38 lb |
| Ships | Parcel |
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Questions and answers
What people ask about this product, answered by our pool techs.
What exactly does this tool do?
How do I get more leverage?
What does the hydrostatic relief valve itself do?
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