Description
Submersible main drain pump designed for pool maintenance and water removal. Intended for use at pool main drains, it fits most drain openings with a bottom inlet screen and connects to standard discharge fittings. The pump resists common pool chemicals and is portable for seasonal cleaning and dewatering tasks.
Quick Answer: What Is the Little Giant 577306?
The Little Giant 577306 is a main drain: Little Giant MDP-1 Main Drain Pump, 1.3" FNPT, 115V 3/4 hp. It is brand new, ships in 1-2 business days, and is backed by the Little Giant manufacturer warranty.
Little Giant 577306 Specifications
| Brand | Little Giant |
|---|---|
| Equipment Type | Main Drain |
| Model Number | 577306 |
Key Features
- Stainless steel body for corrosion resistance
- PSC motor drains over 4,000 gph
- Chemical-resistant FKM triple-lip seal
- Universal bottom inlet screen fits most main drains
- 25-foot cord secured to handle to reduce disconnection
- Includes 1¼-inch FNPT discharge and hose adapters
How It Works
Drains, skimmers, return inlets, jets and plugs are the plumbing fittings where water leaves and returns to the pool or spa. Skimmers pull surface debris, main drains draw from the deep end, returns and jets push filtered water back, and plugs seal lines for winterizing or service. Suction covers must meet current VGB and ANSI/APSP-16 standards to prevent entrapment.
How to Choose the Right Main Drain
- Match the pool type (gunite/concrete, vinyl liner, fiberglass) and the existing fitting brand and size.
- For suction covers, confirm the flow rating, mounting pattern and service life marked on the cover.
- For jets and returns, match thread size and insert style.
- For plugs, match pipe size and plug type (threaded, expansion or winterizing).
If you are replacing an existing part, the fastest way to confirm compatibility is to match the brand and model number on the old equipment. Send us the model number or a photo of the label and our team will help confirm the 577306 is the right fit before you order.
Installation and Safety
Suction outlet covers must be installed exactly as certified, with the correct screws and sump. Replace any cover that is cracked, loose, missing screws or past its expiration date. Structural fittings in a pool shell should be installed by a qualified pool builder.
Maintenance Tips
- Inspect drain covers regularly and replace at the marked expiration date.
- Check skimmer baskets and weirs weekly.
- Lubricate O-rings on threaded fittings.
- Use winterizing plugs properly in freezing climates.
What's Included
This listing is for the Little Giant 577306 as described in the specifications above. Plumbing, wiring, unions and accessories are not included unless they are listed in the product name or specifications.
Built for Homeowners, Pool Pros and Property Managers
- Homeowners: match your existing model number, then reach out if you want a second set of eyes on compatibility before you order.
- Pool service pros and builders: order quickly, track every shipment, and reorder common parts for your routes and builds.
- Property managers and commercial pools: standardize equipment across properties and plan replacements with help from our team.
Frequently Asked Questions About the Little Giant 577306
Does my drain cover expire?
Yes. VGB-compliant covers are marked with a service life; replace them by that date or sooner if damaged.
How do I match a jet or return fitting?
Check the brand, thread size and insert style of the existing fitting.
Why is my skimmer not pulling well?
Check for a clogged basket, low water level, a stuck weir or a valve setting that favors the main drain.
Is this the genuine Little Giant part?
Yes. It is brand new Little Giant equipment (model 577306) covered by the manufacturer warranty. Warranty terms vary by product and application; see the manufacturer documentation or ask our team.
