Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
ZURN AG-4 Air Gap Fitting, Cast Iron, 3/4 in NPT, for 975XL2 Backflow Preventer - Air Gaps
ZURNAir Gaps

ZURN AG-4 Air Gap Fitting, Cast Iron, 3/4 in NPT, for 975XL2 Backflow Preventer

<p>The ZURN AG-4 Air Gap Fitting is a cast iron fitting designed for use with the 975XL2 Pressure Principle Backflow Preventer. It features a 3/4 inch NPT connection on side 1, ensuring a secure fit for your backflow…

SKU 3G-OTH-444557

Also listed as: AG4 · AG 4

Brand
ZURN
Item
AG-4 Air Gap Fitting, Cast Iron, 3/4 in NPT, for 975XL2 Backflow Preventer
Part Number
AG-4
Category
Air Gaps
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

ZURN
Manufacturer Part Number
AG-4
Type
975XL/975XL2, Cast Iron, 3/4 in Connection Size - Side 1, NPT
Product Type
Air Gap Fitting
Compatible with Series
975XL2
Compatible Product Type
Pressure Principle Backflow Preventer

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

<p>The ZURN AG-4 Air Gap Fitting is a cast iron fitting designed for use with the 975XL2 Pressure Principle Backflow Preventer. It features a 3/4 inch NPT connection on side 1, ensuring a secure fit for your backflow prevention system. This air gap fitting is essential for maintaining proper separation between the supply and downstream piping, preventing cross-connection contamination.</p><p>Ideal for commercial and industrial applications, this fitting is compatible with the 975XL/975XL2 series. At 3G Electric, we offer this product with worldwide shipping. For Singapore buyers, we provide SGD quotes on request and handle GST for local purchases. Enjoy fast delivery within Singapore and the SEA region.</p>

Frequently Asked Questions

What is the connection size and type of the ZURN AG-4?

The ZURN AG-4 has a 3/4 inch NPT connection on side 1, and it is made of cast iron.

Which backflow preventer is the AG-4 compatible with?

The AG-4 is compatible with the ZURN 975XL2 series Pressure Principle Backflow Preventer.

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
Not sure this is the right part? Photo-identify it→

ZURN Products

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

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Related products

More from ZURN

View all ZURN parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first