Product Overview

The Pentair Sand Dollar® SD80 Top Mount Sand Filter EC-145333 is a high-capacity residential pool filter designed for reliable filtration, simple operation, and straightforward maintenance. The SD80 features a durable one-piece thermoplastic tank, a 3.5 sq. ft. filtration area, and a rated flow of approximately 75 GPM.

The included 1.5-inch six-position top-mount multiport valve provides convenient control over filtration, backwashing, rinsing, waste, recirculation, and closed functions. Designed for larger residential pools, the SD80 uses approximately 350 lbs. of #20 silica filter sand and incorporates an internal lateral system that promotes even water distribution through the sand bed.

Key Features

26-Inch SD80 Sand Filter
Large-capacity sand filter designed to provide dependable filtration for residential swimming pools.

1.5" Six-Position Multiport Valve
Includes a top-mounted multiport valve for Filter, Backwash, Rinse, Waste, Recirculate, and Closed functions.

Durable Thermoplastic Tank
One-piece construction provides strength, corrosion resistance, and long-term durability in outdoor pool equipment environments.

Efficient Internal Lateral Design
Promotes even water distribution through the sand bed for effective filtration and consistent system performance.

Easy Service and Winterizing
A combination water and sand drain simplifies routine servicing, media removal, and seasonal winterization.

Benefits

• Simple sand-filter operation and maintenance
• Large 3.5 sq. ft. filtration area
• Rated flow of approximately 75 GPM
• Convenient top-mounted valve configuration
• Corrosion-resistant thermoplastic construction
• Easy backwashing without replacing filter media
• Suitable for larger residential swimming pools

Specifications

Installation Information

Install the filter on a stable, level equipment pad with adequate clearance for plumbing, valve operation, servicing, and future sand replacement.

The SD80 requires approximately 350 lbs. of #20 silica pool filter sand. Pump flow and plumbing should be properly sized so the system operates within the filter's rated flow capacity.

Always shut off the circulation pump and relieve all system pressure before changing valve positions or servicing the filtration system.

Confirm Before Ordering

• Confirm EC-145333 / SD80 is the required filter model.
• Confirm your plumbing is compatible with a 1.5" top-mount multiport valve.
• Verify the 26" SD80 provides appropriate filtration capacity for your pool and pump.
• Approximately 350 lbs. of #20 silica filter sand is required.
• Confirm adequate equipment-pad space for installation and future service.

Filter sand is sold separately unless specifically stated otherwise.

Warranty Information

Warranty coverage is subject to Pentair's current manufacturer warranty terms, purchase requirements, installation requirements, and proof of purchase. Warranty eligibility may vary depending on installation method and purchasing channel.

Customer Q&A

Does the EC-145333 include the multiport valve?
Yes. The SD80 includes a 1.5" six-position top-mount multiport valve.

How much sand does the SD80 require?
Approximately 350 lbs. of #20 silica pool filter sand.

What is the maximum flow rate?
The SD80 is rated at approximately 75 GPM.

What is the filtration area?
The SD80 provides approximately 3.5 sq. ft. of filtration area.

What size is the filter tank?
The SD80 is a 26-inch sand filter.

Is filter sand included?
Filter sand is generally sold separately unless specifically stated as included.