Tru-O2 20:1 Without all the Excess Air
Available on the Arctic 3500-6000MBH Condensing Boilers, Tru-O2 delivers reliable turndown without the gimmicks.
- Constant O2 at highest and lowest fire setting
- Consistent dew point throughout turndown range
- Independent ignition position
- 9 point curve for adjustment
Download the Brochure or Contact Us to learn more.