
Single Channel MicroAir IV
- Three operational modes
- Instantaneous response
- Precision voice-coil motor
CE Compliant
Precision air pressure regulators specifically designed for 7 inch water column applications in boiler systems. These ultra-low pressure controllers provide accurate regulation from 0-3 inches of water up to 5 psi, featuring hysteresis-free operation and instant response to flow rate changes for optimal boiler performance.










Talk to our experts for custom solutions and tailored guidance.
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MicroAir IV models provide less than 0.1 second response time, while standard models respond in approximately 2 minutes.
Talk to our experts for custom solutions and tailored guidance.

Precision gas pressure regulation for boiler system safety and optimal combustion control applications.

Accurate pressure control for heating, ventilation, and air conditioning gas-fired equipment installations.

Critical pressure regulation for gas turbine and auxiliary boiler systems in power plant operations.

Reliable gas pressure control for process heating equipment and industrial boiler applications.
Talk to our experts for custom solutions and tailored guidance.
Ultra-low pressure regulation down to below 1 inch of water with hysteresis-free operation for optimal boiler system performance and safety.
Products with 10-25 year lifespan and three-year warranty backed by over 40 years of manufacturing excellence in pressure control systems.
Unlimited phone support from experienced engineers who understand boiler system requirements and pressure control applications.
Contact our pressure control specialists for technical support and custom solutions for your boiler system requirements.
For immediate assistance, feel free to give us a direct call at 978-562-5353. You can also send us a quick email at olc@onlinecontrols.com
For immediate assistance, feel free to give us a direct call at 978-562-5353. You can also send us a quick email at olc@onlinecontrols.com