Jandy 4719 Pro Series NeverLube Positive Seal Diverter Valve, 3-Port Large Diverter, 2.5" x 3" — Genuine OEM
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The Jandy Pro Series 4719 NeverLube Positive Seal Diverter Valve is a genuine Zodiac/Jandy 3-port diverter valve sized 2.5" x 3" — the largest valve of its kind on the market. It splits or redirects flow between two lines with the maintenance-free NeverLube design and a positive seal for leak-free operation.
Key Features
- NeverLube design: Never needs lubrication over its service life.
- Large 2.5" x 3" body: The 3" dimension connects directly to Jandy's 3 HP Stealth pump; the 2.5" side plumbs to standard Jandy universal union connections.
- High flow: Handles up to 170 GPM with minimal head loss — suited to spas and water features.
- 3-port diversion: Directs flow between two outlets, or blends between them.
- Adjustable stop: Allows flow adjustment, with placards that label valve position.
- Automation ready: Works with the Jandy Valve Actuator.
- CPVC construction: Withstands extreme chemical and temperature fluctuation.
Specifications
- Part Number: 4719
- Type: NeverLube positive seal diverter valve, 3-port (large diverter)
- Size: 2.5" x 3"
- Max Flow: Up to 170 GPM
- Material: CPVC
- Brand: Jandy Pro Series (Zodiac) — genuine OEM
Frequently Asked Questions
What size and configuration is the Jandy 4719?
It's a 3-port NeverLube diverter valve sized 2.5" x 3". The 2-port counterpart in the same large-diverter body is the 4718.
How is the 4719 different from the 4717?
Size. The 4717 is the 2" x 2.5" 3-port valve; the 4719 is the larger 2.5" x 3" version for higher-flow plumbing. They are not interchangeable — check your pipe size before ordering.
Will it fit 2" plumbing?
Not directly. This valve is built for 2.5" and 3" pipe. For 2" x 2.5" plumbing use the 4717 instead.
What's a 3-port valve for?
Diverting flow between two destinations — pool and spa returns, or a water feature line.
Can it be rebuilt?
Yes — with standard Jandy NeverLube diverter and o-ring kits.
Is it genuine Jandy?
Yes — a genuine Jandy Pro Series (Zodiac) OEM valve.
Frequently asked questions
How do I know which O-ring or gasket size I need?
Seals are specified by inside diameter and cross-section thickness, not by the equipment they sit in. Measure the old seal, or use the part number from your equipment's parts diagram, since visually similar rings are frequently a size apart.
What is the part number for this seal?
Pro Series lists this seal under part number 4719. Quote 4719 when you cross-reference against your equipment manual, an existing part, or a parts diagram, so you are comparing the same revision.
Should I lubricate the seal on installation?
Yes - a thin film of silicone-based pool lubricant helps the seal seat evenly and makes the next service far easier. Do not use petroleum-based grease, which swells and degrades most elastomers used in pool equipment.
How do I confirm this fits my equipment?
Match the part number stamped on the component you are replacing, or look it up in the parts list for your Pro Series equipment. If your model or serial number is not named on this page, send it to us before you order and we will confirm the fit.
How often do pool seals need replacing?
Seals are consumables. Replace them whenever the component is opened, and sooner if you see flattening, cracking, a chalky surface or any weeping. A failed seal on the suction side draws air and can make a pump lose prime.
Is there a warranty on this seal?
It carries the standard Pro Series manufacturer warranty. The terms are set by Pro Series, and on some equipment the coverage only applies when a licensed professional performs the installation. Keep the receipt and packaging until you have confirmed correct operation.