Mcdonnell & Miller Series AF2 Air Flow Switches
Note: listed by manufacturer as obsolete/discontinued.
SKU 3G-OTH-02749
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
Note: listed by manufacturer as obsolete/discontinued.
Frequently Asked Questions
What is the McDonnell & Miller AF2 flow switch used for?
The McDonnell & Miller AF2 flow switch is designed for low-velocity applications in ducts with a minimum size of 8 inches (203 mm). It is commonly used in HVAC systems to detect airflow and activate alarms or control equipment. The switch features a brass, steel, and aluminum paddle assembly.
What are the specifications of the McDonnell & Miller AF2 flow switch?
The AF2 flow switch from McDonnell & Miller fits a minimum duct size of 8 inches (203 mm) and includes two electrical knock-outs for wiring from either end. The paddle assembly is constructed from brass, steel, and aluminum. Note: the manufacturer lists this model as obsolete or discontinued.
Where to buy the McDonnell & Miller AF2 flow switch in Singapore?
3G Electric supplies the McDonnell & Miller AF2 flow switch to customers in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for current availability and lead time, as this model is listed as discontinued by the manufacturer.
How to install the McDonnell & Miller AF2 flow switch?
Install the AF2 flow switch by mounting it in a duct with at least 8 inches (203 mm) diameter. Use the two electrical knock-outs for wiring connections. Ensure the paddle is correctly oriented for low-velocity flow detection. Follow general electrical safety practices and consult the manufacturer's manual for specific torque and clearance requirements.
Used in
Common applications for Mcdonnell & MillerMcdonnell & Miller Products
3G Electric supplies Mcdonnell & Miller flow switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
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