3 8 backflow preventer for sale, brand-new and used.

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For your consideration: Here is a vented backflow preventer. Apparently, you place this in a beer (or other liquid) line to prevent the liquid from reversing direction. This item is 2 3/8" long and either brass plated or stainless.

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Up for sale i have a 3/8 Watts sd3 mf Astm 1022 Backflow preventor. It is made specifically for carbonated beverage machines but has endless purposes. It is brand new in the box and comes with the instruction sheet.

Watts Anti-Siphon Valve 3/8" Dual Check Backflow Preventer 7-C (Chrome) #0061856

UPGRADE to the NIDEL 50HF series to protect from spray-back. Fits Woodford Models 26, B26 and Y95 with 13/16 in. - 24 special threads x 3/4 in.

For sale: WATTS Series 9BD Backflow Preventer 3/8" (0061894) New in the Box Thank you for visiting my eBay store :)

For sale: WATTS Series N 9C Chrome Dual Check Backflow Preventer 3/8" (0063053) New in the Box Thank you for visiting my eBay store :)

Watts No. N9 Back Pressure Backflow Preventer. 3/8"x3/8" Threaded.

New email me for quantity purchases apsnovelty@gmail.com

CHUDNOW MFG CO, INC DOUBLE CHECK VALVE / BACKFLOW PREVENTER - S470D-P66 BRAND NEW DOUBLE BALL. ALL STAINLESS STEEL CONSTRUCTION PRIMARY APPLICATIONS ARE BUT NOT LIMITED TO: CARBONATED WATER SYSTEMS - SODA FOUNTAIN MACHINES.

McCANN'S ASSE 1022 BACKFLOW PREVENTER / CHECK VALVE WITH VENT PORT ABF-1 SERIES MANUFACTURED BY ANDERSON BRASS CO. BRAND NEW FEATURES: WORKING PRESSURES FROM 10-200 PSIG WORKING TEMPERATURE UP TO 130 OF 3/8" FLARED x 3/8" NPT CONNECTIONS 1/4" BARB VENT ATMOSPHERIC PORT FOR VISUAL INDICATION OF PRIMARY CHECK LEAKAGE RELIABLE AND ROBUST DESIGN. MINIMIZED LEAK POINTS PERFORMS AND FUNCTIONS BETTER THAN OTHER DEVICES IN THE MARKET EASY TO INSTALL.

( NEW IN BOX ) WATTS NO. N9 BACK PRESSURE BACKFLOW PREVENTER, 3/8 SIZE. N9 SERIES ARE ALSO SUITED FOR CONTINUOUS OR INTERMITTENT PRESSURE TYPE INSTALLATIONS.