FTX 1.0 is a fire-tube boilers that fits neatly into mechanical rooms with limited space while offering a higher input of 999,000 Btu/hr. The filter system collects debris from combustion makeup air, potentially extending the time between burner and heat exchanger cleanings. The unit’s new 7-in. LCD touchscreen display makes it easier for contractors to adjust parameters with minimal effort and provides access to the remote connectivity capabilities for improved ease of installation.