Watts 4 909 AGK Air Gap for 909M1 Reduced Pressure Zone Assemblies
The Watts Air Gap (SKU 4 909 AGK, MPN 4 909 AGK) is a cast-iron air gap designed for use with Series 909M1 Reduced Pressure Zone Assemblies. It features female NPT connections and is compatible with the 909M1 series.
SKU 3G-OTH-444551
Also listed as: 4909AGK · 4-909-AGK
Local availability & support
- 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.
Need installation or engineering help?
Ask a question
Product Description
The Watts Air Gap (SKU 4 909 AGK, MPN 4 909 AGK) is a cast-iron air gap designed for use with Series 909M1 Reduced Pressure Zone Assemblies. It features female NPT connections and is compatible with the 909M1 series.
Frequently Asked Questions
What is the Watts Air Gap 4 909 AGK used for?
The Watts Air Gap 4 909 AGK is used to prevent backflow in water systems by providing a physical separation between a potable water supply and a non-potable source. It is designed for use with Series 909M1 Reduced Pressure Zone Assemblies in commercial and industrial plumbing applications.
What are the specifications of the Watts Air Gap 4 909 AGK?
The Watts Air Gap 4 909 AGK is a cast-iron air gap compatible with Series 909M1 Reduced Pressure Zone Assemblies. It features female NPT connections and is designed for use with reduced pressure zone assemblies. The manufacturer part number is 4 909 AGK.
Where to buy the Watts Air Gap 4 909 AGK worldwide?
The Watts Air Gap 4 909 AGK is available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to install the Watts Air Gap 4 909 AGK?
Install the Watts Air Gap 4 909 AGK by connecting it to the Series 909M1 Reduced Pressure Zone Assembly using female NPT fittings. Ensure the air gap is positioned vertically with adequate clearance for drainage. Follow local plumbing codes and the manufacturer's instructions for proper backflow prevention.
Used in
Common applications for WattsWatts Products
3G Electric supplies Watts air gaps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.