APOLLO 4NLF3A22A Potable Water Dual Check Backflow Preventer
The APOLLO Dual Check Valve: 4N is a potable water dual check backflow preventer with a 3/8 in pipe size and FNPT x FNPT connection type. It has a 12.5 gpm flow rate and an overall length of 3.32 in (MPN 4NLF3A22A).
SKU 3G-OTH-437169
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
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Product Description
The APOLLO Dual Check Valve: 4N is a potable water dual check backflow preventer with a 3/8 in pipe size and FNPT x FNPT connection type. It has a 12.5 gpm flow rate and an overall length of 3.32 in (MPN 4NLF3A22A).
Frequently Asked Questions
What is the APOLLO Dual Check Valve 4N used for?
The APOLLO Dual Check Valve 4N is a potable water backflow preventer that stops contaminated water from flowing backward into clean supply lines. It is commonly installed in residential and commercial plumbing systems to protect drinking water from cross-connection hazards, such as irrigation or boiler feed lines.
What are the specifications of the APOLLO Dual Check Valve 4N?
The APOLLO Dual Check Valve 4N has a 3/8 in pipe size with FNPT x FNPT connections, a flow rate of 12.5 gpm, and an overall length of 3.32 in. It is designed for potable water systems and carries the manufacturer part number 4NLF3A22A. These specs ensure compatibility with standard plumbing fittings.
Where to buy the APOLLO Dual Check Valve 4N worldwide?
You can source the APOLLO Dual Check Valve 4N through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this backflow preventer.
How to install the APOLLO Dual Check Valve 4N?
Install the APOLLO Dual Check Valve 4N in the potable water line with flow direction matching the arrow on the body. Use thread sealant on the FNPT connections and tighten to manufacturer torque specs. Always test for backflow prevention after installation and follow local plumbing codes for cross-connection control.
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3G Electric supplies APOLLO potable water dual check backflow preventers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
