Basepump water powered backup sump pump that uses water pressure to pump water!

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The Premium Water Powered Backup Sump Pump

Basepump is an extremely reliable, very powerful, water powered backup sump pump system. With no battery to wear out or maintain, no charger to plug in or monitor, it is designed as an automatic, independent system from the primary sump pump. Basepump is essentially in a class by itself. Mounted on the ceiling, high above the sump, it doesn't have to fight the downward force of the water that most competitors' pumps must push up vertically. For this reason, Basepump consistently removes more water per hour than other water powered backup sump pumps and even rivals the best battery powered backup sump pumps, short- and long- term. Period. So instead of a flooded basement because of a sump pump failure or a power failure, install a water powered Basepump backup sump pump before it happens.

Basepump Ejector labeled showing the water action

When the water in your sump rises above normal for any reason, the Basepump float is lifted. This activates a valve, sending municipal water under pressure through the Basepump Ejector. Then, acting like a giant soda straw, it draws the sump water up and ejects it to the outdoors. As the float returns to its lowest level, the pumping stops after a pre-set period of time, draining the sump down until the water rises above normal again and the cycle starts all over again.

More details about how Basepump works.

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Basepump Features

Highest pumping rates in the industry
Most reliable operating system on the market
Install independent from primary sump pump for greater reliability
OR Install with discharge connected to main pump discharge
OR Install with our Atmospheric Vacuum Breaker option to eliminate back-flow issues
Constructed of heavy duty, corrosion resistant polypropylene
Simple to install; detailed instructions included
Low cost of operation (zero cost until it actually runs, then just the cost of the water)
No moving parts to break and no maintenance required
No Battery or Charger needed to operate unit, to maintain or to replace
Independent battery operated Water Alarm included.
Unlimited operation time as long as the water supply is available
30 day product satisfaction guarantee
Five year Limited Warranty

Basepump Models

Basepump Model		Gallons of Sump Water Removed per Hour. 10 ft. Lift at These Static Water Pressures				Water Supply Pipe To Use	City Water Gal. per Min.
Model	Uses	40 lbs. PSI	50 lbs. PSI	75 lbs. PSI	100 lbs. PSI	Size	GPM
RB750 & RB750-AVB	Homes with normal volumes of sump water	750	800	850	900	1/2" or 3/4"	7
HB1000 & HB1000-AVB	Homes with higher volumes of sump water	1,000	1,100	1,300	1,400	3/4"	10
CB1500 & CB1500-AVB	Buildings with very high volumes of sump water	1,500	1,600	1,800	2,000	3/4" or 1"	15

Basepump uses 1 Gallon of City Water to remove 2 Gallons of Sump Water at an average of 90 lbs. PSI and 10 Feet Lift

This chart simply means that if you have the given water pressure in your home, with all faucets and Basepump turned OFF, the pumping rates shown in this chart are the rates you should expect from the model you choose. The pumping rate in your home may vary depending on factors such as restrictions in your water lines or long discharge pipes.

Standard Model v.s. AVB Model:
"How do I know whether I need a Standard Model or an AVB Model?"

You may need to call your local plumbing department and ask if an AVB, or other back-flow prevention device is required. Then you need to know if you can install one in your home. The models with -AVB suffix MUST be installed just like it is shown, with a separate discharge that is self-draining to the exterior. DO NOT connect the AVB models to your main sump pump discharge or try pumping water up higher than the pump and then out. In both cases, water from the discharge pipe will be forced back toward the Basepump and will spill out of the open AVB device onto your floor. This model handles the back-flow issue when properly installed, and does not reduce pumping capacity. See Back-Flow Prevention for details.

Choosing Size:
"How do I know what size to buy?"

Start with the 5 Gallon Bucket Test, as shown on our Homeowners Page. It's simple and easy to do and requires no special equipment (a bucket and a watch!).

Included with All Basepump Models

These are included in all Basepump models: RB750, HB1000, and CB1500 and -AVB

Polypropylene Basepump Ejector; resists rust, corrosion, and scale build-up.
One-way check valve prevents reversal of water flow down into sump to protect your home.
Mounting clamps and screws.
Discharge relief tee; provides back-pressure and keeps pump running even when the drain is plugged.
Nylon cable tie straps.
PVC fittings including parts to connect discharge to existing main pump discharge (except -AVB models).
6 feet of flexible PVC discharge hose.
Float unit to operate the ejector valve.
Hydraulic transfer tube to connect the float to the Ejector.
Suction screen to keep foreign objects out.
Complete installation instructions, fully illustrated and easy to follow.
Water alarm with 9 Volt battery and relay outputs included with every Basepump purchased! A $29.00 Value! This alarm also has relay outputs so you can connect it to your security system or to an independent auto-dialer. (Note: alarm photo may vary slightly from actual alarm.)

We have No-Sweat water supply installation kits and Dual Check Valves for Back-Flow prevention. Push on fittings take the fear out of doing it yourself. Go see these and more on our Accessories Page.

Customer Satisfaction Guarantee

Within 30 days of purchase, if you are not completely satisfied with your new Basepump, Base Products Corp. (The Company) will refund your money, in full, excluding shipping charges. Pump must be in its original package with all parts included and in saleable condition. Please contact the dealer where you purchased your pump to obtain refund. If purchased directly from The Company, you must call our Customer Satisfaction Department at 1-800-554-1426 to process return or to receive Technical Assistance. Please give your name, address, phone number, date of purchase, and address of the installation.

Five Year Limited Warranty

Base Products Corporation (The Company) warrants this backup sump pump against defects in material and workmanship for a period of five years from the date of purchase. In the event of any defect within the warranty period, The Company will, at its option, replace or recondition the product without charge providing the product is returned, prepaid to our offices in Buffalo, New York. This shall constitute the exclusive remedy for any alleged defect. The Company shall not be responsible for any incidental, indirect, contingent, or consequential damages, including, without limitation, damages or other costs resulting from labor charges, delays, loss of use, revenue or profit, vandalism, negligence, fouling caused by foreign material, damage from peculiar water conditions, chemicals or other circumstances over which The Company has no control. The Company makes no other warranties, express or implied, except as provided in this limited warranty. This warranty becomes voided by any misapplication, misuse, abuse, or improper installation of the product. This warranty gives you specific legal rights and you may also have other rights which may vary from state to state. Applicable in the USA and Canada, only.