This has a 99% efficiency rating and comes with a stainless steel vertical cylindrical heat exchanger. The unit allows for hydronic heating or domestic hot water supply and can be fired by gas or propane. Models go from 300,000 BTU up to 5 million BTU with a turndown ratio of up to 5:1.
The system is controlled by an integrated Honeywell SOLA controller. The 7” color touch screen provides remote operation through the 4-20mA or 0-10Vdc for set point or fire rate control. Paired with the ability to control multiple pump operation along with daisy chain set up for up to 8 boilers, this simple control also provides you with a USB output for screenshot capture, as well as password access for service personnel. Additionally, up to 8 SOLA devices may be monitored and controlled with one single display.