Unical AG SPK 115-600

Stainless steel modular condensing modular unit

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Unical AG

Castel d'Ario, Italy
Name of product/article

SPK 115-600


Stainless steel modular condensing modular unit


Stainless Steel

Large water content condensing unit, entirely in stainless steel AISI 316 L, complete of pre-mix modulating gas burner, for natural gas orLPG, with NOx emissions in class 5
• Maximum working pressure: 6 bar
• High efficiency thanks to the special patented progressive pipes of its vertical tube bundle, tilted of 3°, in stainless steel AISI 316 L, completely rolled, with special multi-fin inserts in Al/Si/Mg.
• Thermal element in vertical shape with low water side pressure losses. It doesn’t need any recirculation pump (circulation equal to boiler zero extinguished
• Vertical burner with integrated check valve, placed above the combustion chamber, (modulation ratio > 1:4), with flame surface in non resonant radiating “metallic mesh”, with thermal protection shield
• Ignition and flame control through two opposit electrodes for high safety, BMM, NTC sensor for temp. control and safety thermostat
• Combustion chamber inspectability guaranteed by a pneumatic opening device.
• Retractable platform standard supplied (SPK 400 to 600) and optional for other models
• HSCP controller is integreted in the panel board
• Possibility to electronically manage up to 8 boilers (in cascade)
• MULTIFUNCTION CARD for zones management SHC (“Slavic Heating Controller”), for the exploiting circuits (1 std supplied) complete of external temperature sernsor + 3 control sensors: it is possible to control up to a maximum of 4 SHC cards.
• BCM (inclusive in the supply) with many additional functions.
• Two different standards of communication, available in alternative
• Local eBUS interface / remote Interface
Optional accessories:
- High efficiency modulating pumps - Additional safety devices Kit
- Acidic condensate neutralizers

Further info from manufacturer on SPK 115-600

Commercial Condensation INOX Collection by Unical AG
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