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- A high limit thermostat
- A steel room-sealed compartment treated against corrosion, enclosing components.
- An air differential pressure switch which, to ensure safe operation, allows burner ignition only
when the fan functions normally.
- A newly-designed gas ignition valve assembly, comprising a fullly modulating gas valve and a
flame control device. (Ignition is by an intermittent pilot flame; at the moment a hot water tap is
opened, a pilot flame is sparked electronically which lights the main burners.)
- A flowmeter.
- A modulating device which controls the gas valve during use in response to the signal from the
flowmeter, the preset temperature and the desired flow rate (water temperature is kept constant
with no waste due to temperature fluctuation).
- A water temperature control which allows the user to set the desired temperature - between 40°C
and 55°C.
- Five LEDs: one green signalling that the water heater is on, and four yellow displaying water tem-
perature.
- A temperature sensor.
- A expansion vessel 3 bar.
4
Supplied By www.heating spares.co Tel. 0161 620 6677
S.p.A.
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