Product Description
Efficient Residual Dewatering for Basements, Pools & Flat Surfaces
The HCP GDR-400-1 is a compact submersible puddle sucker pump designed for shallow water removal in basements, pool covers, flat roofs, and tanks. It removes water down to 1 mm with a start-up at around 5 mm, making it ideal for clearing residual water and small puddles. This lightweight yet durable HCP pump is part of a broad range of professional submersible dewatering pumps trusted for reliable water management.
Key Benefits of the Residual Dewatering Pump
Removes water down to very low residual levels for thorough cleanup
Achieves flow rates up to 64 GPM for fast water removal
Handles small suspended solids up to 1/4" in diameter
Extends service life with dual mechanical seals in an oil-filled chamber
Protects the motor with an integrated thermal protector
Sits flat on surfaces for effective shallow water pumping
Resists wear with a durable urethane rubber impeller
Compact and easy to position in tight areas
HCP GDR-400-1 Pump Specifications
Specification
Details
Discharge Size
1" MPT
Impeller
Robust Urethane Rubber
Total Head
46 ft (14.02 m)
Water Capacity
26 GPM (98 LPM)
Maximum Solid Intake
0.25" (6.35 mm)
Motor Power
0.5 HP (0.373 kW)
Phase
Single Phase
Voltage
115V AC
Start Method
Capacitor
Running Amperage
5.6 A
Cable Length
30 ft (9.1 m)
Pump Diameter
8" (203 mm)
Overall Height
12" (305 mm)
Operating Weight
31 lb (14 kg)
Certifications
cUL and UL Certified
What’s Included
HCP GDR-400-1 Submersible Puddle Sucker Pump
30-ft Power Cable with 120 V three-prong plug
Removable Discharge Connection
Performance Overview
This 115V submersible puddle sucker pump is designed for efficient shallow-water removal in low-depth applications. With a 1/2 HP motor and capacity of up to 64 GPM, it delivers a practical balance of flow and lift for clearing puddles, seepage, and residual water on flat surfaces such as basements, rooftops, and pool covers. Its low-level pumping capability makes it especially effective where minimal standing water remains.
Applications & Usage Guidelines
This puddle sucker pump is engineered for residual dewatering tasks where water levels are shallow, making it perfect for:
Basements, crawl spaces, and utility rooms
Pool covers and deck areas
Flat roofs or patios after rain
Storage tanks and shallow pits
Usage Tips:
Only use this pump in submerged conditions
Place the pump flat on the surface for optimal residual removal down to minimum water depths
For automatic operation, pair with a compatible float switch accessory
Accessories & Add-Ons
1" Layflat Discharge Hose: Efficient discharge for surface water removal
Type A Camlock Fittings: Quick connect/disconnect hose fittings
Piggyback Float Switch: Automatic operation based on water level changes
High-Performance Pumping Solutions from Cleanflow
Cleanflow offers a full range of HCP pumps built for dependable performance in water management applications, from compact seepage models like the GDR-400-1 to heavy-duty industrial dewatering pumps. Known for durability and efficient operation, HCP pumps serve contractors, industrial operators, and property owners who need reliable water removal solutions.
Frequently Asked Questions
Can the GDR-400-1 remove water from flat surfaces down to very low depths?
Yes. The GDR-400-1 is designed for residual dewatering and can remove water down to approximately 1 mm, making it ideal for clearing shallow puddles and leftover water on flat surfaces.
Is this pump suitable for pool covers and basements?
Yes. The pump performs well on flat surfaces such as pool covers, patios, basements, crawl spaces, and other areas where shallow water accumulates.
Does the GDR-400-1 support automatic on and off control?
Yes. Automatic operation can be achieved by pairing the pump with a compatible shallow-water piggyback float switch accessory.
Is the GDR-400-1 easy to move and position?
Yes. Its compact size and lightweight design make it easy to carry, position, and reposition as needed for shallow water removal tasks.
What type of water is this pump best suited for?
The GDR-400-1 is best suited for clean or lightly dirty water and shallow seepage applications. It is not intended for heavily debris-filled or sludge-heavy water.
Free shipping. Usually ships within 2 days. 
