---
product_id: 4276697
title: "Hayward SP1056 Hydrostatic Relief Valve"
brand: "hayward"
price: "¥7790"
currency: JPY
in_stock: true
reviews_count: 8
category: "Hayward"
url: https://www.desertcart.jp/products/4276697-hayward-sp1056-hydrostatic-relief-valve
store_origin: JP
region: Japan
---

# Spring-loaded hydrostatic relief mechanism 1.5-inch MNPT inlet connection Brass construction for durability Hayward SP1056 Hydrostatic Relief Valve

**Brand:** hayward
**Price:** ¥7790
**Availability:** ✅ In Stock

## Summary

> 🛠️ Keep your pool pressure in check with Hayward’s precision relief valve—because quality never takes a day off!

## Quick Answers

- **What is this?** Hayward SP1056 Hydrostatic Relief Valve by hayward
- **How much does it cost?** ¥7790 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/4276697-hayward-sp1056-hydrostatic-relief-valve)

## Best For

- hayward enthusiasts

## Why This Product

- Trusted hayward brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First:** Spring-loaded hydrostatic relief valve protects your pool structure from pressure damage.
- • **Built to Last:** Robust brass material guarantees corrosion resistance and long-term reliability.
- • **Trusted Quality:** NSF-listed and backed by Hayward’s industry-leading reputation for pool components.
- • **Precision Fit & Seal:** 1.5-inch MNPT inlet ensures seamless integration with standard pool plumbing.
- • **Versatile Compatibility:** Designed for concrete, vinyl, and fiberglass pools—perfect for residential or commercial use.

## Overview

The Hayward SP1056 Hydrostatic Relief Valve is a spring-loaded, brass-constructed valve with a 1.5-inch MNPT inlet designed to protect concrete, vinyl, and fiberglass pools from hydrostatic pressure damage. NSF-listed and highly rated, it offers durable, reliable performance for both residential and commercial pool systems.

## Description

Product Description Hayward SP1056 Relief Valve Suction Outlet Collector Tube 1-1/2-Inch MIP Hydrostatic Relief Valve Spring Loaded. Relief Valve and Suction Outlet Collector Tube For concrete or vinyl/fiberglass pools, Hayward NSF listed suction outlets are available in a wide range of styles and sizes to satisfy any installation requirement. Whether you install frame and covers, for residential or commercial pools, or sump-type outlets, Hayward suction outlets set the standard in quality and value From the Manufacturer Hayward SP1056 Relief Valve Suction Outlet Collector Tube 1-1/2-Inch MIP Hydrostatic Relief Valve Spring Loaded. Relief Valve and Suction Outlet Collector Tube For concrete or vinyl/fiberglass pools, Hayward NSF listed suction outlets are available in a wide range of styles and sizes to satisfy any installation requirement. Whether you install frame and covers, for residential or commercial pools, or sump-type outlets, Hayward suction outlets set the standard in quality and value

Review: Fits perfectly - This pool valve is the best. It is well made and designed. The cost could be a bit lower but considering where it goes and how often it’s changed, I’ll pay what they ask to insure quality.
Review: For my swimming pool - Worked fine.came promptly as described. Ty

## Features

- Brand Name: Hayward
- Comply with provisions of ASME/ANSI A112.19.8 2007
- Country of Origin: China
- Model Number: SP1056

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Best Sellers Rank | #117,556 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,996 in Pool & Spa Replacement Parts |
| Brand | Hayward |
| Customer Reviews | 4.5 out of 5 stars 264 Reviews |
| Inlet Connection Size | 1.5 Inches |
| Inlet Connection Type | MNPT |
| Item dimensions L x W x H | 3 x 3 x 3 inches |
| Material | Brass |
| Outlet Connection Type | Flange |

## Product Details

- **Material:** Brass
- **Brand:** Hayward
- **Item dimensions L x W x H:** 3 x 3 x 3 inches
- **Inlet Connection Size:** 1.5 Inches
- **Inlet Connection Type:** MNPT
- **Outlet Connection Type:** Flange
- **Number of Ports:** 2
- **Outlet Connection Size:** 1.5 Inches
- **Specification Met:** Ctn. Qty. 25 Ctn. Weight 5.2 lbs. Description 1 1/2" MIP Hydrostatic Relief Valve, Spring-Loaded
- **Global Trade Identification Number:** 00610377045865

## Images

![Hayward SP1056 Hydrostatic Relief Valve - Image 1](https://m.media-amazon.com/images/I/81ZIP0ODInL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fits perfectly
*by N***M on June 20, 2024*

This pool valve is the best. It is well made and designed. The cost could be a bit lower but considering where it goes and how often it’s changed, I’ll pay what they ask to insure quality.

### ⭐⭐⭐⭐⭐ For my swimming pool
*by T***M on July 7, 2025*

Worked fine.came promptly as described. Ty

### ⭐⭐⭐⭐⭐ Good fit!
*by A***R on May 30, 2025*

Perfect fit. Hard to access in 50 degree water. We will see if it holds! Used needle nose vice grips to remove old pug. Hand tighned new one and gave 8th turn more with vice grips.

## Frequently Bought Together

- Hayward SP1056 Hydrostatic Relief Valve
- Hayward SP1056T Hydrostatic Installation and Removal Tool Replacement for Hayward SP1056 Hydrostatic Release Valve
- ATIE 1.5" Threaded Pool Spa Return Line Winterizing Plug & Filter Drain Plug SP1022C with O-Ring for Winterizing Pools and Most Hayward Pentair Filters (6 Pack)

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**Shop now:** [https://www.desertcart.jp/products/4276697-hayward-sp1056-hydrostatic-relief-valve](https://www.desertcart.jp/products/4276697-hayward-sp1056-hydrostatic-relief-valve)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-21*