HBW2010 on existing shelf in engine compartment (coolant circ pump on left).

Exhaust up through cupboard and exiting hull.

One of three computer-fan heaters (this one heats the aft cabin).

Toe space heater under galley sink.

Heater under salon cushion (heats salon, head and v-berth).

5 gallon buffer tank at base of forward hanging locker.

2.5 gallon expansion/fill tank -

(highest point in system directly below cockpit floor).