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ZURNZurn Double Check Backflow Preventers

ZURN 350A Double Check Backflow Preventer, 8 in, Groove x Groove, NRS Gate Valve

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
350A Double Check Backflow Preventer, 8 in, Groove x Groove, NRS Gate Valve
Part Number
8-350A
Category
Zurn Double Check Backflow Preventers
Available to Order
Also known as:8-350AZURN
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

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

Technical Documents

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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 roofing — Zurn Z100-3NH, Z100-6NH, and ZC100-4NH-C-R primary roof drains for flat or low-slope roof rainwater removal
Commercial restrooms — Zurn Metroflush® ZEMS6203-WS1.0004 automatic urinal flush valve with sensor activation and 1 gpf rating
Institutional shower facilities — Zurn Temp Gard Z7000-HW16-H7 handheld showerhead with hose, bracket, and slide bar
Plumbing drain access — Zurn Z1474-SDO and Z1474-4-N cast-iron cleanout housings for floor-level inspection and rodding
Concrete deck drainage — Zurn ZC100-4NH-C-R roof drain with underdeck clamp for secure installation in concrete decks
Waste line maintenance — Zurn CO2521-4 cleanout housing with adjusting screws for level adjustment in finished floors
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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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