Standard:
* Flame Failure Protection.
* Over Heat Protection.
* Anti -dry Burning Protection.
* Pressure Relief Protection.
Optional:
* Oxygen Depletion Protection.
* Anti-downdraught Protection.
* Low Water Pressure Start Up.
* Winter-Summer Switch.
* 20 Minutes Timer.
* Temperature Display.
* Low Battery Indication.
* Hot/Cold ON/OFF Water Switch.
* Single/Double Solenoid Valves.
Available:
* Oxygen Free Copper Heat Exchanger.