Ethos 350-550KW floor standing boiler
Designed and manufactured in the UK the Ethos stainless steel “twin burner” boilers have been developed to meet the requirements of today’s commercial buildings. With an unsurpassed premix burner modulation of 20 > 1 and output capability from 17.5kW > 3.3mW, the Ethos FS range ensures your building load is accurately matched whatever the season. As with the wall mounted boilers the FS range also have onboard boiler cascade control.
|Available in 350 and 550kW models||Installation options allowing 17.5kW > 3.3mW|
|2 premix burners per boiler||Nox levels of 31mg/kw|
|Stainless steel heat exchanger||5 year heat exchanger warranty|
|20 > 1 burner modulation||Seasonal efficiency in excess of 95%|
|Onboard boiler cascade control||< 75 dba|
"Unsurpassed modulation of 20 > 1"
|Model||Ethos 350||Ethos 550|
|Dimensions (Height x Width x Depth)||mm||1200 x 750 x 1100||1300 x 750 x 1500|
|Water Content of Appliance||litre||25||30|
|Flow / Return Connections||BSP||DN50 PN16 Flange||DN65 PN16 Flange|
|Maximum Fan Speed||RPM||6100||9200|
|Minimum Fan Speed||RPM||1300||1950|
|Nominal Heat Input (Nett)||kW||17.5 - 350.0||27.5 - 550.0|
|Nominal Heat Output at 80/60°C||kW||17.2 - 343.0||27.0 - 539.0|
|Nominal Heat Output at 50/30°C||kW||18.9 - 378.0||29.7 - 594.0|
|G20 Maximum Gas Consumption||m3/h3||34.8||53.4|
|Flue Gas Dew Point||°C||52||52|
|Flue Temperature at 80/60°C (at ambient temperature of 20°C)||°C||75||75|
|Flue Material Temperature Class||T 120||T 120|
|Permitted Maximum Resistance of Flue System||Pa||200||250|
|Condensation pH Value||3.0 - 4.0||3.0 - 4.0|
|Maximum CH Flow Temperature||°C||90||90|
|CH Water Pressure (Minimum / Maximum)||Bar||0.5 - 6.0||0.5 - 6.0|
|G20 Minimum / Maximum Gas Pressure||mbar||17 - 20||17 - 20|
|mbar||17 - 20||17 - 20|
|mbar||30 - 50||30 - 50|
|Maximum Efficiency (Nett Non-Condensing)||%||98.0||98.0|
|Maximum Efficiency (Nett Condensing)||%||108.0||108.0|
|Type||Ethos 350||Etho 550|
|L||1 1/4"||2 1/2"|
|4||Flue Gas Connection|
|6||Saftey Valve Connection|
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