$SAVE$ On Basementsaver & Basepump
Water-Powered Backup Sump Pumps
WP1/RB750, WP2/HB1000, WP3/CB1500

Size 1 Standard Residential Water Powered Backup Sump Pumps

Basementsaver WP1 & Basepump RB750 are advanced Size 1 water powered backup sump pumps that are designed to pump 700-900gph (using 40-90psi city water pressure) for application in most residential basements. The Size 1 pump range includes: Basementsaver WP1, WP1-EZ, WP1-EZ-V, WPA1 and Basepump RB750, RB750-EZ, RB750-EZ-V, RB750-AVB.

Standard Residential “Size 1” Pump Models

The Basementsaver WP1 and the Basepump RB750 are exactly identical Size 1 pump units, assembled with identical components, on the same Basepump production line, in Buffalo, NY. These pumps represent the most advanced water powered sump pump technology currently available, and are each available with 4 model variants:


Basepump RB750 Water Powered Sump Pump
Basementsaver WP1 / Basepump RB750 Size 1 Standard Residential Backup Sump Pump Is Designed To Work In Most Residential Basements

Size 1 Standard Pumps

The Basementsaver WP1 / Basepump RB750 is the standard residential water powered backup pump model, providing 900gph maximum pumping capacity through a 10ft lift at 90psi city water pressure.

This size of pump is designed for application in most residential basements that can provide a city water supply at a pressure in the range 40-90psi.

The WP1 / RB750 pump will operate in your basement if your outside standard hose spigot can supply water at a sufficient flow rate to fill a bucket to the 5 gallon level in 40 seconds or less (allow 25% longer for a frost-proof spigot).


Basepump RB750-EZ Water Powered Sump Pump Assembly
EZ Models Include A Dual Check Valve & Easy-Fit Fittings

Size 1 Standard Residential DCV Easy-Fit Pumps

The Basementsaver WP1-EZ / Basepump RB750-EZ is a WP1 / RB750 pump unit that comes with Additional 3/4″ Fittings including:

  • A brass ball valve to open/shut-off the water supply
  • An integrated brass Dual Check Valve (DCV), ASSE 1024 listed and CSA B64.6 certified for backflow prevention, in order to satisfy most local plumbing department codes
  • A set of brass easy-fit push connectors to dramatically simplify water supply line installation


Basepump RB750-EZ-V Water Powered Sump Pump Brass Assembly
EZ-V Models Include A Vented Dual Check Valve As Approved For Use In Illinois

Size 1 Standard Residential Vented DCV Easy-Fit Pumps

The Basementsaver WP1-EZ-V / Basepump RB750-EZ-V is a WP1 / RB750 pump unit that comes with Additional 3/4″ Fittings including:

  • The same brass ball valve and brass easy-fit push connectors fitted to the EZ models
  • A Vented brass Dual Check Valve (ASSE 1012 listed and CSA B64.3 certified), as approved for backflow prevention by plumbing departments in the State Of Illinois (#890-1140(k)).


Basepump RB750-AVB Pump With ASSE 1001 Atmospheric Vacuum Breaker (AVB)
AVB Models Must Be Installed With A Dedicated Discharge

Size 1 Standard Residential AVB Pumps

The Basementsaver WPA1 / Basepump RB750-AVB is a WP1 / RB750 pump unit that comes with an integrated brass Atmospheric Vacuum Breaker (AVB), ASSE 1001 listed, CSA 64.1.1 certified, and IAPMO listed, mounted on the downstream side of the backup pump main control valve.

This model is required for installations in the following states:

  • Indiana (Approval#608.3)
  • Minnesota(Approval#603.5.9)
  • Ohio (Approval#608.3)
  • Wisconsin (Approval#20100389)

The integrated AVB requires that this backup pump model must be installed on a dedicated discharge line. It must not be used when the backup pump is required to share the same discharge pipe as the primary sump pump.


Higher Capacity Water Powered Sump Pumps

If you require higher pumping capacity, we also offer:

$SAVE$ – BUY Your Basementsaver Water Powered Backup Sump Pump
With Discount Pricing & FREE (US Mainland) or Subsidized (Canadian) Shipping
If You Ever Need Help Just e-mail Basementsaver Or Call 716.775.0206