We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

ZURN Double Check Backflow Preventer: 350A, 4 in Pipe Size, 38.25 in Overall Lg - Zurn Double Check Backflow Preventers
ZURNZurn Double Check Backflow Preventers

ZURN Double Check Backflow Preventer: 350A, 4 in Pipe Size, 38.25 in Overall Lg

The ZURN 350A Double Check Backflow Preventer (SKU 4-350A, MPN 4-350A) is a 4-inch pipe size backflow preventer with Groove x Groove connections and an NRS Gate Valve shut-off type. It operates within a temperature…

SKU 3G-OTH-439815

Also listed as: 4350A · 4 350A

Brand
ZURN
Item
Double Check Backflow Preventer: 350A, 4 in Pipe Size, 38.25 in Overall Lg
Category
Zurn Double Check Backflow Preventers
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

ZURN
Manufacturer Part Number
4-350A
Type
33°F – 140°F, EPDM
Overall Lg
38.25 in
Pipe Size
4 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 (SKU 4-350A, MPN 4-350A) is a 4-inch pipe size backflow preventer with Groove x Groove connections and an NRS Gate Valve shut-off type. It operates within a temperature range of 33°F to 140°F and features EPDM seals.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is a 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 installed on 4-inch pipelines with groove x groove connections and NRS gate valves for isolation.

What are the specifications of the Zurn 4-350A backflow preventer?

The Zurn 4-350A has a 4-inch pipe size, groove x groove connections, and an NRS gate valve shut-off type. It operates from 33°F to 140°F with EPDM seals, and has an overall length of 38.25 inches. The manufacturer part number is 4-350A.

Where to buy a Zurn 350A backflow preventer worldwide?

3G Electric supplies the Zurn 350A double check backflow preventer to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery for this 4-inch backflow preventer with groove x groove connections.

How to install a Zurn 350A double check backflow preventer?

Install the Zurn 350A in a horizontal or vertical orientation with adequate clearance for servicing. Use groove couplings on both inlet and outlet connections. Ensure the NRS gate valves are fully open during operation. Follow local plumbing codes and the manufacturer's instructions for testing.

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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