You have 0 Articles Left This Month. Register Today for Unlimited Access.
The company has released two condensing gas boilers, Models 550 and 750. Features include 93.9% thermal efficiency, 94% combustion efficiency, low NOx certification, PVC venting for direct vent and direct exhaust, and 20% to 100% modulation.
You have 0 complimentary articles left.
Register for free today to continue reading!
Already have an account? Sign in here.