The 259940-001 is the correct isothermal system for:
The Trion CFS-05B Comfort Steam Humidifier is a user-friendly comfort steam humidification system that is ideal for commercial or residential use. This isothermal humidifier system produces sterile, bacteria-free and odorless humidification. Also known as part number 259940-001, the Trion Furnace Humidifier System is factory tested and CSA certified. To simplify fault diagnosis, this humidifier features a blinking LED light.
To eliminate the chance of blocked solenoid valves and drains at a safe temperature, a siphon draining system is installed. For ease of servicing your system, the Trion 259940-001 has a quick release, stainless steel tank. The Compact Chassis Design makes this system lightweight and easy to install. On-board diagnostics is featured on the user-friendly display of this humidifier that shows the mode of operation and status.
Trion Whole House Humidification System specifications:
The Trion CFS-05B Humidifier System allows for flexible installation that can be mounted in a duct or mounted remotely. This Comfort Steam system produces 13 gallons per day (gpd) and is produced at atmospheric pressure then dispersed into the HVAC ductwork through a steam nozzle or perforated steam diffuser. To automatically reduce the humidity setpoint as the outdoor temperature falls, an electronic humidistat with outdoor reset is available.