Backup Sump Pump Guide

WP-Series (40-100psi)
HP-Series (75-150psi)

Basementsaver WP-Series
Water Powered Sump Pumps

A WP-Series backup pump is the optimum choice for most basements with NORMAL water supply pressure, in the range 40-100psi:

Basementsaver WP1
Water Powered Pump Pump Up To 900 gal/hr
WP1 Sump Pump Specifications

Basementsaver WP2
Water Powered Pump Pump Up To 1,400 gal/hr
WP2 Sump Pump Specifications

Basementsaver WP3
Water Powered Pump Pump Up To 2,000 gal/hr
WP3 Sump Pump Specifications

Basementsaver WP & HP Water Powered Backup Sump Pumps

Basementsaver WP-Series Water Powered Backup Sump Pumps are designed for use with NORMAL city water pressures (40-100psi).
Basementsaver HP-Series Water Powered Backup Sump Pumps are engineered for use with VERY HIGH water pressures (75-150psi).
YOU Probably Need A WP-Series Water Powered Sump Pump!

Basementsaver WP-Series water powered backup sump pumps operate using
NORMAL Pressure municipal water supplies (in the range 40-100psi)

Basementsaver HP-Series water powered backup sump pumps operate using
VERY HIGH Pressure water supplies (in the range 75-150psi).

Basementsaver WPA & HPA water powered backup sump pumps operate at Normal and Very High Pressure respectively, but they differ from WP and HP pumps by featuring integrated 'Approved' AVB Backflow Prevention Devices.

There are 3 Basementsaver water powered emergency pump capacities to choose from: WP1 & HP1 (residential), WP2 & HP2 (large residential), and WP3 & HP3 (commercial).

Gallons of Sump Water Removed/Hour From Your Sump

Model	Inlet Size	Min Flow At Inlet	Max Pump Rate	Buy WP	Buy HP
WP1/HP1	1/2 or 3/4 in	420 gph / 7 gpm	900 gph	$218.00	$389.00
WP2/HP2	3/4 in	600 gph / 10 gpm	1,400 gph	$319.00	$459.00
WP3/HP3	3/4 or 1 in	900 gph / 15 gpm	2,000 gph	$435.00	$559.00

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Min Flow is the minimum city water flow rate required at the backup pump inlet

Unrivaled Emergency Pumping Performance

Advanced design & engineering removes more water per hour than other water powered backup sump pumps, even out-pumping battery powered emergency pumping systems in long-term operation. Each Basementsaver WP / HP backup pump achieves such extremely high efficiency that every gallon of city water flow can actually remove up to 2 gallons of water from your basement sump pit (based on a 10 ft lift to discharge)!

YOUR Water Pressure

Basementsaver WP-Series water powered backup pumps operate using NORMAL city water supplies with continuous water pressures in the range 40-100psi. Since most households have NORMAL city water pressure (40-100psi) a WP-Series Pump is probably YOUR best choice!
NOTE: WP-Series models will not pump at al at pressures below 30psi - If your water pressure is less than 40psi choose a battery backup sump pump!
NOTE: WP-Series pumps should NOT be used above 100psi or they will be damaged! - If YOUR water pressure continuously exceeds 100psi get an HP-Series pump.

Basementsaver HP-Series water powered backup pumps are designed for operation in some commercial / industrial water systems with VERY HIGH water pressure (75-150psi).
NOTE: HP-Series pumps will not work at all below 70 psi.

How To Find The Best Sized Backup Sump Pump For YOUR Basement

Step 1 - Measure Your Water Flow Rate
Define your household flow rate by measuring the time to fill a 5 gallon bucket from a hose spigot. Requirements are:

Step 2 - Measure Your Water Pipe At The Water Meter Outlet
Avoid restrictions and run your Basementsaver pump supply line directly from a pipe of the required minimum diameter (usually Copper pipe or PVC, CPVC, PEX... plastic piping - according to the specific local plumbing code in Your area). By convention, water pipes are always specified by internal diameter measurements. Required pipe (internal) diameters are:

Step 3 - Select Your Optimum Pump Model
Use the specification table above to select the optimum WP-Series (or HP-Series) water powered backup sump pump model for Your specific application, based on your required maximum pumping capacity and available water flow.

Extended Backflow Prevention To Protect Your City Water Supply

Basementsaver WP-Series & HP-Series water powered backup pumps are designed to prevent the possibility of backflow into your potable water supply under normal operating conditions. However, some local plumbing codes may also require a separate 'Approved' backflow prevention device. For these areas, Basementsaver WPA-Series & HPA-Series water powered backup sump pumps feature an integrated 'Approved' Atmospheric Vacuum Breaker (AVB) backflow prevention device.

To determine whether 'Approved' backflow prevention is required in your specific area contact your local plumbing inspector. IF YOU DO NOT NEED AN 'APPROVED' BACKFLOW PREVENTION DEVICE CHOOSE A WP OR HP-SERIES PUMP!

Compare Water Powered Sump Pump Models

The Water Powered Backup Sump Pump Comparison Table allows you to quickly compare all Basementsaver water powered sump pump models.
Download a Printable Pump Comparison Table (PDF)

All Basementsaver BP, Battery Backup Sump Pumps, Basementsaver WP / WPA, Water Powered Sump Pumps, and Basementsaver HP / HPA High Pressure Water Powered Sump Pumps are excellent emergency backup sump pumps. Learn more about how to choose the best backup sump pump technology to protect Your specific basement.

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