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ZURNZurn Double Check Backflow Preventers

ZURN Double Check Backflow Preventer: 350A, 8 in Pipe Size, 62 in Overall Lg

The ZURN 350A Double Check Backflow Preventer (MPN 8-350A) is an 8-inch pipe-size backflow preventer with Groove x Groove connections and NRS Gate Valve shut-off valves. It operates within a temperature range of 33°F…

SKU 3G-OTH-439827

Also listed as: 8350A · 8 350A

Brand
ZURN
Item
Double Check Backflow Preventer: 350A, 8 in Pipe Size, 62 in Overall Lg
Category
Zurn Double Check Backflow Preventers
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

ZURN
Manufacturer Part Number
8-350A
Type
33°F – 140°F, EPDM
Overall Lg
62 in
Pipe Size
8 in
Connection Type
Groove x Groove
Shut-Off Valve Type
NRS Gate Valve

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ZURN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ZURN 350A Double Check Backflow Preventer (MPN 8-350A) is an 8-inch pipe-size backflow preventer with Groove x Groove connections and NRS Gate Valve shut-off valves. It operates within a temperature range of 33°F to 140°F and features EPDM seals. This unit has an overall length of 62 inches.

Frequently Asked Questions

What is the ZURN 350A Double Check Backflow Preventer used for?

The ZURN 350A Double Check Backflow Preventer is used in commercial and industrial water systems to prevent reverse flow of contaminated water into the potable supply. It is suitable for non-health-hazard cross-connections and operates in temperatures from 33°F to 140°F.

What are the specifications of the ZURN 8-350A backflow preventer?

The ZURN 8-350A has an 8-inch pipe size, 62-inch overall length, Groove x Groove connections, and NRS Gate Valve shut-off valves. It features EPDM seals and operates from 33°F to 140°F. The manufacturer part number is 8-350A.

Where to buy ZURN backflow preventers worldwide?

3G Electric supplies ZURN backflow preventers worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine ZURN equipment and deliver to your site. Contact us for availability and lead time on the 8-350A model.

How to install a ZURN double check backflow preventer?

Install the ZURN 350A in a horizontal or vertical position with adequate clearance for maintenance. Ensure Groove x Groove connections are properly aligned and tightened. Follow local plumbing codes and test the unit after installation to verify proper operation.

Used in

Common applications for ZURN
Commercial restrooms — ZURN AquaVantage® automatic flush valves (ZER6000AV series) for water-efficient toilet flushing
Institutional kitchens — ZURN cast iron floor drains (ZN415 series) for heavy-duty drainage in food preparation areas
Industrial washdown areas — ZURN height-adjustable PVC floor drains (EZ1 series) for chemical-resistant drainage
Hospital patient rooms — ZURN dome strainers (P1910 series) for floor sink drainage in sanitary environments
Office building maintenance — ZURN chrome-plated brass P-traps (ZR365B-PC) for sink trap replacements
Urinal retrofit projects — ZURN ZTR sensor flush valve retrofit kits (ZTR6203 series) for upgrading manual urinal flush valves

ZURN Products

3G Electric supplies ZURN zurn double check backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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