Backup electric boiler for oil / gaz boiler
REC: 6-15kW
GRETEL
Boiler at low exits 3/4 " WITHOUT VASE NOR CIRCULATOR for connection series with an existing boiler, recuperator of fireplace, CAP, solar heating,...
Equipment:
Radiator any copper insulates MO
Immersion heaters coppers
Drainer
Valve
Controller of flow
Pressure controller (security misses water)
Aquastat 0/900 or 0/50° BT
Thermal security with manual rearmament 950 or 6o° (BT)
Thermo-pressure gauge
