McDonnell & Miller Series AF1 Air Flow Switches
Note: listed by manufacturer as obsolete/discontinued.
SKU 3G-OTH-02748
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 AF1 flow switch used for?
The McDonnell & Miller AF1 flow switch is used for general purpose applications requiring medium and high velocity flow detection. It is designed for duct sizes of 8 inches (203 mm) minimum, or 6 inches (152 mm) if the paddle is trimmed. Typical uses include HVAC and industrial process systems.
What are the specifications of the McDonnell & Miller AF1 flow switch?
The AF1 flow switch features a brass paddle that fits a minimum duct size of 8 inches (203 mm), or 6 inches (152 mm) when trimmed. It is designed for medium and high velocity flow requirements. Note that the manufacturer lists this model as obsolete or discontinued.
Where to buy the McDonnell & Miller AF1 flow switch in Singapore?
3G Electric supplies the McDonnell & Miller AF1 flow switch to 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 AF1 flow switch?
Install the AF1 flow switch by mounting it in a duct with the paddle oriented perpendicular to flow. Ensure the minimum duct size is 8 inches (203 mm), or 6 inches (152 mm) if the paddle is trimmed. Follow standard electrical wiring practices for the switch contacts. Always consult the manufacturer's manual for safety guidelines.
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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