ProSeries 18" Sand Filter Hayward W3S180T | Top Mount
ProSeries 18" Sand Filter Hayward W3S180T | Top Mount
Upgrade your pool system with the Hayward ProSeries 18″ Sand Filter W3S180T and enjoy sparkling, clear water every day. Shasta makes it easy to get your Hayward filter fast. Compatible with most residential in-ground pools, it provides efficient debris removal and long-lasting operation.
ProSeries 18" Sand Filter Hayward W3S180T
Hayward builds with sturdy materials and dependable engineering to provide long-term filtration you can trust. Plus, the filter ensures even water distribution across the sand bed for maximum clarity. Additionally, the included Vari-Flo XL multiport valve makes operation simple and fast.

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Key Features
- Efficient 7-Position Valve: Easily switch filter and backwash modes.
- Durable Corrosion-Proof Tank: Withstands outdoor conditions season after season.
- Self-Cleaning Laterals: Provides even water flow for efficiency.
- Integral Top Diffuser: Distributes water evenly across sand bed.
- Large Pressure Sand/Water Drain: Simplifies winterizing and routine maintenance tasks.
Technical Specifications
- Filtration Area: 1.75 sq. ft.
- Flow Rate: 35 gallons per minute (GPM)
- Sand Capacity: 150 lbs of #20 grade silica sand (not included)
- Maximum Working Pressure: 50 psi
- Product Weight: 29 lbs
Specs
- Part Number: W3S180T
- Manufacturer: Hayward
- Length: 18.5
- Width: 18.5
- Height: 35.0
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What our customers are saying
Our pool service man gave us the information to order the part that had stopped working. It was easy to order and came so fast. Thank you.
Our pool service man gave us the information to order the part that had stopped working. It was easy to order and came so fast. Thank you.
Joann de Y
Easy phone & email order, efficient service & pick up times met as promised. I appreciated the process & great customer service
Easy phone & email order, efficient service & pick up times met as promised. I appreciated the process & great customer service
Gale M
I really appreciate that you reached out and informed me of a lower cost option. You saved me hundreds of dollars and earned my business in the future
I really appreciate that you reached out and informed me of a lower cost option. You saved me hundreds of dollars and earned my business in the future
Matt K
FAQ
Our expert staff answers customer's most asked questions.
Can I use a salt cell with a sand filter?
Yes, a salt cell can be used with a sand filter. In fact, the two work perfectly together — the filter clears debris from the water, while the salt system sanitizes it for a clean, balanced pool.
When do I need to change my sand?
For best performance, replace the sand in your Hayward ProSeries 22" Filter every 3–5 years. However, if you notice cloudy water, faster pressure build-up, or frequent backwashing, it may be time for a change sooner.
What is the recommended duration for running my pool equipment?
There isn't a specific timeframe, but it's essential to complete a full water turnover within a 24-hour period. Utilizing pool equipment during off-peak hours can be cost-effective.
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