Modern heating devices HKS Lazar

Modern heating devices

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Automatic pellet fired stove

Comfort thanks to automatic pellet fired boiler.

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Central heating pellet fired boiler with or without lambda probe?

There are many different views regarding use of lambda probe in central heating stove. However to find out if this investment makes sense, let us examine its operating principle as well as all advantages and disadvantages.

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FAQ

Is 190oC temperature of flue gas in Lazar branded pellet fired boiler allowed?

This temperature is possible, if the heat exchanger gets dirty and boiler has been in operation for few hours at total output (at low outdoor temperature). In this case clean the boiler and check...

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How to check anti-freeze fluid level in Smart Fire 11 boiler with central heating function only (without hot domestic water supply). The boiler was not used this winter?

Any fluid loss will be demonstrated with pressure loss indicated by manometer. In case of open circuit, you can also check the level of compression vessel.

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