• Energy savings: impressive 10.5:1 Modulation Turndown Ratio can meet varying load demands, saving energy and reducing fuel costs
  • Anti-wind Function : control automatically adjusts the fan speed to prevent loss of flame and lockouts
  • Flame Stabilization: control allows the flame to stabilize before modulating, preventing flame dropouts and recycling
  • Exchanger Preheat Function: for instant domestic hot water at desired temperature
  • Compact Floor Standing Design features built-in leveling legs and a removable one-piece front jacket and lower side panels for easy access

  • Plug-and-Play CSD-1 Kits are available where local code requires. Includes Manual Reset Low Water Cut Off (LWCO) and High Limit.

(See Installation, Operation and Maintenance Manual for complete instructions)