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and seasonal watering adjustments
or light irrigation zones
Manufacturer part number: 190-9561
Combination reliable DVF valve and atmospheric backflow preventer in one unit
QuickCheck arc mechanism and through-the-top adjustment
Zoeller 540 FLEX Water-Powered Backup System — Model 540-0005 223187 and seasonal watering adjustmentsZoeller 540 FLEX Water Powered Backup Sump System Model 540 0005 The Zoeller 540 FLEX is a dependable water powered backup sump system designed to protect basements during power outages or primary pump failure. Using municipal water pressure instead of batteries, the 540 FLEX provides peace of mind with minimal maintenance and no need to replace chargers or battery cells. Ideal for homeowners who want a long term backup solution that automatically
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