Standard:

1, Flame Failure Protection.

2, Over Heat Protection.

3, Anti-dry Burning Protection.

4, 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/OFFWater Switch.

Single/Double solenoid valves.

Available:

Oxygen Free Copper Heat Exchanger.