The model is provided with one 1" fitting on the right. It will be used in order to connect the heating circuit exit (flow) (see drawing D37).
On the left bottom part, there is another 1" fitting. It will be used to connect the heating circuit return (see drawing D38).
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Safety elements connection
There is a 1/2" fitting on the left top in order to place the overpressure valve (3 bars) which is provided with the thermo-stove (see drawing
D39).
On the right rear side you will find a 1/2" fitting in order to insert the temperature probe in the safety system and two other fittings of 3/8" for the
entry and exit of the serpentine of the safety system (see drawing D40).
7.3.
MODEL HYDRONIÁGARA
vaso de expansion
Open expansion vessel
desagüe
Drainpipe
INSTALLATION, OPERATING AND SERVICING INSTRUCTIONS