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AVB 'Approved' Backflow Prevention Water Powered Backup Sump Pump Catalog |
| WPA Water Powered Pumps 'Approved' AVB Backflow Prevention |
| HPA Water Powered Pumps 'Approved' AVB Backflow Prevention |
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| Water Powered Pump Blog |
WPA-Series Pumps are rated for 40-100psi city water pressure (optional HPA-Series Pumps are available for 75-150psi city water).
| Basementsaver WPA1 Water Powered Pump |
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| Pump Up To 900 gal/hr WPA1 Sump Pump Details |
| Basementsaver WPA2 Water Powered Pump |
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| Pump Up To 1,400 gal/hr WPA2 Sump Pump Details |
| Basementsaver WPA3 Water Powered Pump |
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| Pump Up To 1,400 gal/hr WPA3 Sump Pump Details |
As town and city water departments are becoming more concerned about the potential for contamination of potable water supplies, Backflow Prevention is becoming a hot topic of discussion in many municipalities across North America. As a result, if your local water/plumbing department does not currently insist on 'approved' backflow prevention devices being fitted to components that you install in your domestic water system, they probably will soon.
In order to address this issue positively, we have introduced the Basementsaver WPA and HPA water powered backup sump pumps with 'Approved' (ASSE 1001) AVB Backflow Prevention Devices. The Atmospheric Vacuum Breaker (AVB) is one of the simplest, most cost-effective, and most reliable 'approved' backflow prevention devices available, but it must be installed and used correctly.
The AVB functions by allowing atmospheric air to enter the water system whenever there is potential for the siphon effect to initiate. Under normal conditions a poppet valve inside the AVB is forced to remain closed by the system water pressure. However, if the water pressure in the upstream side reduces below atmospheric pressure, the poppet valve opens to the atmosphere so that air enters the system and prevents siphon formation.
An AVB should never be subjected to continuous full system water pressure - which could cause the poppet valve to malfunction by locking in the closed position. For this reason, an AVB should always be installed downstream of a shut-off valve and never be installed upstream of a shutoff valve.
Additionally, in order to prevent continuous nuisance leakage, the AVB should always be installed above the highest point of the downstream route to discharge (ie. slope the discharge downwards to facilitate drainage).
There are several Basementsaver Water Powered Sump Pump Models to choose from. If your municipality requires 'approved' backflow prevention devices you should choose a WPA-Series or HPA-Series water powered sump pump with AVB. In order to determine the optimum 'approved' pump model for Your basement, first consider the following points.
Your City Water Pressure:
Your Required Pumping Rate - Under The Most Demanding Conditions:
Get the optimum and most reliable backup sump pump with AVB for your basement and $SAVE$ at the Basementsaver Emergency Backup Sump Pump Online Discount Outlet. To find your optimum water powered sump pump with integral AVB for 'approved' backflow prevention just click on the most appropriate link below:
Basementsaver WPA Water Powered Sump Pumps With Integrated AVB
If Your municipality requires 'Approved' Backflow Prevention, and you have normal water pressure (40-100psi) choose a WPA-Series water powered backup sump pump.
Basementsaver HPA Water Powered Sump Pumps With Integrated AVB
If Your municipality requires 'Approved' Backflow Prevention, and you have high water pressure (75-150psi) choose an HPA-Series water powered backup sump pump.
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Things You Need To Know About 'Approved' Backflow Prevention
Basementsaver Backup Pumps Customer Service
'Approved' AVB Backflow Protection May Not Be Enough!
An AVB is an 'approved' non-testable backflow prevention device. In my experience these simple and inexpensive devices perform both reliably and effectively, with essentially zero maintenance needs, when installed correctly. However, AVBs are not listed as 'testable' backflow prevention devices.
Some Plumbing Inspectors may specify that you install a 'testable' backflow prevention device! In this case you may install an upstream Spill-Resistant Vacuum Breaker (SRVB) backflow preventer - Avoid an RPZ device, which may prevent the pumps working correctly! SRVB units are readily available, but they are relatively expensive and they have to be tested by a Certified Backflow Prevention Device Tester at installation, and then re-tested, usually every year, thereafter - this can become too inconvenient and expensive for most peoples tastes!
Basementsaver Philosophy!
If you do consult your plumbing inspector, and he insists that you need an SRVB device, Your best option in most cases is to forget about a water powered backup sump pump and go with a Basementsaver BP Battery Backup Pump instead!
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