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Horizontal Swimming Pool Sand Filter for Spa and Hot Tubs, 18" Tank, 1HP Pump, 4-Position Valve, 220V, Easy Installation Kit
Product Spotlights
Horizontal swimming pool sand filter with 18-inch tank, 1HP pump, and 4-position valve. Easy installation kit included. Delivers reliable filtration for spas, hot tubs, and above-ground pools. Space-saving design, low maintenance, and high flow rate up to 30 GPM. Trusted manufacturer since 1998 with global exports.
Negotiable
MOQ: 1 Piece (Price negotiable depending on order volume and customization)
Key Specifications
Get Latest Price
Material:
Other, Fiberglass Reinforced Plastic (FRP)
Tank Diameter:
18 inches (457 mm)
Pump Power:
1 HP (0.75 kW)
Payment & Shipping
Payment Methods:
Port of Shipment:
tianjin shanghai qingdao
Delivery Detail:
Delivery time depends on order quantity.
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Material
Other, Fiberglass Reinforced Plastic (FRP)
Tank Diameter
18 inches (457 mm)
Pump Power
1 HP (0.75 kW)
Voltage
220V / 50-60Hz
Valve Type
4-Position Multiport Valve
Maximum Flow Rate
30 GPM (113.6 L/min)
Working Pressure
50 PSI (3.5 bar)
Connection Size
1.5 inch inlet/outlet
Application
Above-ground pools, spas, hot tubs
Installation Kit
Included (hoses, clamps, adapters)
Anping County Boli Hardware Wiremesh Products Factory, a trusted manufacturer since 1998, brings you the Horizontal Swimming Pool Sand Filter for Spa and Hot Tubs. This complete filtration system combines an 18-inch tank, a powerful 1HP pump, and a 4-position valve, all engineered for easy installation and reliable performance. With over US$5 million in annual exports and a global presence across North America, Europe, Asia, and Oceania, our product is designed to deliver crystal-clear water with minimal maintenance.
This sand filter is the ideal solution for above-ground pools, spas, and hot tubs. Its horizontal design saves space while maximizing filtration efficiency. The 4-position valve allows you to switch between filter, backwash, rinse, and closed modes effortlessly. The included Easy Installation Kit ensures you can set it up quickly without professional help.
Below we provide a detailed breakdown of the product’s features, technical specifications, and advantages.
Key Features & Advantages
- High-Efficiency Sand Filtration – Uses grade #20 silica sand (not included) to trap particles as small as 20 microns. The large 18-inch tank provides a generous sand bed for extended filter cycles.
- Powerful 1HP Pump – Delivers a maximum flow rate of 30 GPM, ensuring rapid water turnover for your pool or spa. The pump is pre-wired for 220V and features a thermal overload protector.
- 4-Position Multiport Valve – Easily select Filter (normal operation), Backwash (clean sand), Rinse (settle sand after backwash), and Closed (shut off water). Durable ABS construction resists corrosion.
- Horizontal Tank Design – Lower profile than vertical filters, making it easier to install in tight spaces. The tank is made of corrosion-resistant fiberglass reinforced plastic (FRP) with a UV-stabilized exterior.
- Easy Installation Kit Included – Comes with hoses, clamps, and adapters for quick connection to standard pool plumbing. No special tools required.
- Low Maintenance – Only occasional backwashing needed (recommended every 1-2 weeks depending on usage). Sand replacement is required only every 3-5 years.
- Safe & Reliable – Pump motor is fully enclosed, and the system is designed for stable operation under 50 PSI working pressure. The 220V power supply is common in many countries.
Technical Specifications
| Parameter | Value |
|---|---|
| Tank Diameter | 18 inches (457 mm) |
| Pump Power | 1 HP (0.75 kW) |
| Voltage | 220V / 50-60Hz |
| Maximum Flow Rate | 30 GPM (113.6 L/min) |
| Working Pressure | 50 PSI (3.5 bar) |
| Sand Capacity | Approx. 100 lbs (45 kg) #20 silica sand |
| Valve Positions | Filter, Backwash, Rinse, Closed |
| Connection Size | 1.5 inch (38 mm) inlet/outlet |
| Installation Kit Contents | Hoses (2m each), 4 clamps, 2 adapters, manual |
| Weight (empty) | Approx. 35 lbs (16 kg) |
Benefits for Your Pool or Spa
- Cleaner Water, Less Effort – Sand filtration removes dirt, leaves, and debris effectively. The 4-position valve makes backwashing a simple turn of the handle.
- Cost-Efficient Operation – Sand is a durable media that lasts years; no need for frequent cartridge replacements. The 1HP pump is energy-efficient for its size.
- Space-Saving Horizontal Design – Ideal for installations where vertical clearance is limited (e.g., under decks, near equipment pads).
- Universal Compatibility – Works with most above-ground pools, spas, and hot tubs. The 1.5-inch connections match standard pool hose sizes.
- Quick Setup – The included installation kit reduces the need for additional purchases. A typical user can complete assembly in under 30 minutes.
As a manufacturer with over 25 years of experience and a US$5–10 million annual export value, Anping County Boli Hardware Wiremesh Products Factory ensures every unit undergoes rigorous quality checks. Our products are shipped from major Chinese ports (Tianjin, Qingdao, Shanghai, Foshan) and have reached customers in North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East. We back our filtration system with responsive after-sales support and a commitment to durability.
Ready to upgrade your pool or spa filtration? This horizontal sand filter delivers consistent performance, easy maintenance, and long-lasting value. Contact us for wholesale pricing, customization options, or technical details. We are here to help you make the right choice for clean, clear water.
Frequently Asked Questions
- What type of sand should I use? – Use #20 grade silica sand (0.45–0.85 mm). Do not use play sand or builder’s sand, as they can clog the filter. We recommend approximately 100 lbs for the 18-inch tank.
- How often should I backwash? – Backwash when the pressure gauge rises 8–10 PSI above the starting pressure, typically every 1–2 weeks for a standard residential pool. For spas with heavy use, you may need to backwash more frequently.
- Is the pump self-priming? – Yes, the pump is self-priming up to 4 feet (1.2 m) of suction lift. Ensure the water level is above the inlet before starting.
- Can I use this filter for an inground pool? – This filter is designed for above-ground pools, spas, and hot tubs. For inground pools, we recommend a larger vertical filter model. Contact us for recommendations.
- Does the valve have a winterization setting? – The 4-position valve does not include a dedicated “winter” position. However, you can use the “Closed” position and drain the tank and pump for winter storage. Always follow local freeze protection guidelines.
- What is the maximum operating temperature? – The filter is rated for water temperatures up to 104°F (40°C). For hot tubs, this is within the typical range. Avoid exceeding this temperature to prevent damage to the tank.
- What warranty do you offer? – Our standard warranty covers manufacturing defects for 1 year (pump) and 2 years (tank). For specific terms, please contact our sales team.
- Can I replace the sand with glass media? – Yes, you can use alternative filter media such as glass or zeolite, but ensure the particle size is compatible (0.5–1.0 mm). Adjust the backwash interval accordingly.
Send Inquiry to This Supplier
Mr. Geng Xiaozhong
Sales Manager
2Yrs
Hengshui, Hebei, China
2Yrs
Business Type
Manufacturer
Year Established
1998
Annual Export Value
US$5 Million - US$10 Million
Product Certifications
Others
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