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ERA 31 B 130
is an open-chamber cast iron boiler with natural draught, with high efficiency and controlled
emissions.
The boiler body consists of:
- a right element
- a variable number of intermediate elements
- a left element
assembled through steel bicones St 37-2 DIN 1626.
The atmospheric burner made of stainless steel works with methane gas and/or LPG.
The entire structure is supported and closed at the bottom by a sturdy plate platform.
A solid and elegant shell encloses the construction.
The water heater is in porcelainised glass, and it is provided with anode with wear indicator. It is placed below
the boiler body; a special frame allows its total extraction.
The boiler is provided with 2 circulators, a hot water temperature (priority) adjusting thermostat, a heating
temperature adjusting thermostat, a boiler adjusting thermostat for hot water, an expansion tank for the heating
system, two unidirectional valves, a 3-bar safety valve on the primary circuit, an 8-bar safety valve on the hot
water circuit, a dual-body gas valve, an inertia-prevention system.
GENERAL INFORMATION
Summary of Contents for ERA 31 B 130
Page 2: ...2...
Page 11: ...11 PROGRAMMAZIONE DEL CRONODATARIO...
Page 35: ...35 PROGRAMMING THE HOUR DATE COUNTER...
Page 59: ...59 PROGRAMACI N DEL RELOJ PROGRAMADOR DIGITAL...
Page 83: ...83 ACERTAR O REL GIO PROGRAMADOR...
Page 99: ...99...
