Description
A raised external water dam sets the overflow height
water-carrying equipment
ZN400N-4NH
and flow tube O-ring
Watts 9BD - Part of the 9BD Series ZA100F-2NH A raised external water damThis 3 8 inch dual check vacuum breaker backflow preventer is designed for vending machine water supply lines to prevent the reverse flow of contaminates, such as carbon dioxide gas and carbonated water, from entering the potable water supply. It consists of a stainless steel body construction, rubber parts, dual check valves, ball check valve, flare end connection, and an atmospheric vent. It is designed for continuous pressure applications and
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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