Hayward VariFlo SP0712

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USE ONLY HAYWARD GENUINE REPLACEMENT PARTS 1

GENERAL

1. Proper fitting make-up is hand tight plus one to 1-

1/2 turns maximum. Always use Teflon pipe tape

or Permatex No.2 for connections to provide a

good, "living" seal.

IMPORTANT: Do not over tighten pipe fittings.

2. SERVICING VALVE: If it becomes necessary to

service or gain access to the key or valve seat

gasket:

a. Set handle in “Winterizing” position.

b. Remove cover screws.

c. Lift cover and key assembly out.

3. RE-ASSEMBLY VALVE:

a. Wipe debris from cover 0-ring.

b. Set handle in a “Winterizing” position. Align

flat edge on cover with body. Press down to

seat assembly.

c. Secure assembly to body with cover screws

and nuts. Tighten cover screws evenly and

alternately.

Do not over tighten.

FUNCTIONS OF VALVE POSITIONS

VALVE

SETTING

FLOW DIRECTION THROUGH VALVE

FILTER

(Sand Filter) PUMP - TOP - THROUGH FILTER - BOTTOM - RETURN

For normal filtration and vacuuming

ool through filter.

BACKWASH

(

Sand Filter) PUMP - BOTTOM - THROUGH FILTER - TOP – WASTE

For cleaning filter.

RINSE

PUMP - THROUGH FILTER in filter direction - WASTE

For initial start-up and clearing valve of debris after

backwashing.

WASTE

PUMP – THROUGH VALVE ONL

- WASTE

For vacuuming directly to waste, lowering pool level

and/or draining

ool.

CLOSED

NO CIRCULATION PAST PUMP POR

For shutting off all flow to filter and

ool.

RECIRCULATE

PUMP – THROUGH VALVE - RETURN

For b

assing filter, but circulating

ool water.

WINTERIZING:

Drain and winterize filter and pump per manufacturer's

instructions. To drain water from VariFlo® Multiport

valve—depress and rotate valve handle and place handle

ointer between an

detente

ositions.

VariFlo

Multiport

1 1/2” Filter Control Valve

Owner’s Manual

Model: SP0712

TURN OFF PUMP BEFORE CHANGING VALVE POSITION

CAUTION –Spring Hazard – Release of Valve spring compression can cause personal injury. To avoid, only remove handle

pin if servicing key O-ring. Remove handle pin before slowly removing Cover screws in an alternate pattern.

WARNING

ow a

nstruct

ons in this owner’s manual and on the equipment.

Failure to follow instructions can cause severe injury and/or death.

Hayward Pool Products

620 Division Street, Elizabeth, NJ 07207

Phone: (908) 355-7995

WWW.HAYWARD.COM

IS0712 REV B

REPLACEMENT PARTS

REF

NO.

PART NUMBER DESCRIPTION

NO.

REQ’D

1SPX0710X

Handle, Standard

2 SPX0710XZ7 Pin, for Handle 1

3 SPX0710Z16 Non-Metallic Bearin

(Pack of 5) 1

4 SPX0710G Valve Position Label 1

5SPX0710Z1

Cover screw set with nuts (Set of 6) 1

6SPX0710XZ5Cover O-rin

7SPX0735G

O-ring & TFE Shaft seal set 1

8 SPX0710Z62 Spring Washer Set (Set of 2) 1

9SPX0603SSprin

10 SPX0710XC Key/Stem assembly 1

11 SPX0710XD Valve Seat Gasket 1

12 SPX0710M

Sight Glass with Gasket 1

SPX0710BA17 Key, Cover & Handle Assembly 1

Need help?

Do you have a question about the Hayward VariFlo SP0712 and is the answer not in the manual?

This document describes the Hayward VariFlo® Multiport Valve, a crucial component for pool and spa filtration systems. It serves as a comprehensive guide for installation, operation, maintenance, and safety.

Function Description:

The VariFlo® Multiport Valve is designed to control the flow of water through a pool or spa filtration system, offering multiple operational settings to manage various aspects of pool maintenance. It allows users to select different functions such as FILTER, BACKWASH, RINSE, CLOSED, RECIRCULATE, and WINTERIZING, each serving a specific purpose in maintaining water quality and system integrity.

FILTER: This is the standard operating mode for daily filtration. Water flows through the filter media (sand, DE, or cartridge) to remove impurities before returning to the pool.
BACKWASH: This setting reverses the flow of water through the filter to clean the filter media. Dirty water is discharged to waste, removing accumulated debris from the filter.
RINSE: After backwashing, the RINSE setting is used to flush any remaining dirty water from the filter and compact the filter media before returning to the FILTER mode. This water is also discharged to waste.
CLOSED: This setting completely shuts off all flow to the filter and pool, useful for servicing the pump or filter without draining the pool.
RECIRCULATE: This mode bypasses the filter, circulating water directly back to the pool without filtration. This can be useful for chemical distribution or when the filter is being serviced.
WINTERIZING: This setting is designed for preparing the pool system for winter. It allows for draining the valve and plumbing to prevent freeze damage.

Important Technical Specifications:

The document provides a table of replacement parts for the SP0712 model, indicating various components and their part numbers. While specific flow rates or pressure ratings are not explicitly listed as "technical specifications" in a dedicated section, the "Head Loss for SP0712" graph illustrates the pressure drop across the valve at different flow rates (in GPM) for both FILTER and BACKWASH modes. This graph is critical for understanding the hydraulic performance of the valve and for proper pump sizing. For instance, at 40 GPM, the head loss in FILTER mode is approximately 2 feet of water, while in BACKWASH mode, it's around 4 feet. The valve is designed for use with permanently-installed pools and may be used with hot tubs and spas if so marked. It is not intended for storable pools.

Usage Features:

The VariFlo® Multiport Valve is designed for ease of use with its multi-position handle. The "General Instructions" section outlines the proper procedure for operating the valve:

Important: Always turn off the pump before changing the valve position to prevent damage to the valve or system.
Servicing Valve: If the valve needs servicing, turn off the pump, set the valve to WINTERIZING, and then proceed with disassembly.
Reassembly Valve: Follow specific steps for reassembly, including ensuring the cover o-ring is properly seated, the handle is in the "WINTERIZING" position for alignment, and all screws are tightened evenly.

The valve's design allows for straightforward selection of operational modes, making pool maintenance tasks like backwashing and rinsing simple for the user. The "WINTERIZING" position is a key feature for seasonal pool closing, protecting the system from potential freeze damage.

Maintenance Features:

The document emphasizes several maintenance aspects, primarily through safety warnings:

Regular Inspection: Suction outlet components, including the valve, have a finite life and should be inspected frequently. Covers/grates should be replaced at least every seven years or if found damaged, broken, cracked, missing, or unsecured.
Debris Clearance: It is crucial to keep suction outlet components clear of debris such as leaves, dirt, hair, and paper to prevent suction entrapment and ensure proper operation.
Replacement Parts: The manual includes a list of genuine Hayward replacement parts, encouraging users to use only these to maintain the valve's integrity and performance. This ensures compatibility and proper functioning of the system.
Pressure Test Plugs: Users are warned to remove pressure test plugs and/or plugs used in winterization from suction outlets to avoid increased potential for suction entrapment.

The valve's design, with its various components listed in the replacement parts table (e.g., handle, cover, o-rings, spring, gasket), suggests that individual parts can be replaced, facilitating repair rather than full unit replacement in many cases. The emphasis on turning off the pump before changing valve positions is a critical maintenance practice to prevent wear and tear on the valve's internal components. The "Head Loss" graph can also be used as a diagnostic tool to assess if the filter is becoming clogged, indicated by an increase in head loss at a given flow rate.