DUNGS AA-A4 - Pressure Switches for air, flue, exhaust gases (US/CA)
Adjustable DUNGS Pressure Switches AA-A4 for monitoring overpressure, underpressure or differential pressure. Suitable for air, flue, exhaust gases and non-aggressive gases in burner, ventilation and air-conditioning…
SKU 3G-OTH-02961
Also listed as: AAA4USCA · AA A4 US CA
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.
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Product Description
Adjustable DUNGS Pressure Switches AA-A4 for monitoring overpressure, underpressure or differential pressure. Suitable for air, flue, exhaust gases and non-aggressive gases in burner, ventilation and air-conditioning systems. Not suitable for natural gas, propane, butane or other fuel gases.
Frequently Asked Questions
What is the DUNGS AA-A4 pressure switch used for?
The DUNGS AA-A4 is an adjustable differential pressure switch designed to monitor overpressure, underpressure, or differential pressure in air, flue, and exhaust gases. It is commonly used in burner, ventilation, and air-conditioning systems. This switch is not suitable for natural gas, propane, butane, or other fuel gases.
What are the specifications of the DUNGS AA-A4 pressure switch?
The DUNGS AA-A4 is an SPDT differential pressure switch with FM Approval for Classes 3510 and 3530. It is suitable for air, flue, and exhaust gases. The switch is adjustable and intended for use in systems covered by NFPA 54, IFGC, and other applicable codes. Always verify ratings from the manufacturer datasheet for your specific application.
Where to buy the DUNGS AA-A4 pressure switch in Singapore?
You can source the DUNGS AA-A4 pressure switch through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this DUNGS model. We provide technical support for burner and HVAC applications locally.
How to install and maintain the DUNGS AA-A4 pressure switch?
Installation and maintenance of the DUNGS AA-A4 must be performed by a trained specialist. Ensure power and gas pressure are off before work. Mount the switch per the manufacturer's instructions, adjust setpoints according to equipment guidelines, and perform a leak and function test after installation. Regular testing is recommended.
Used in
Common applications for DungsDungs Products
3G Electric supplies Dungs pressure switch. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
