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Heating system filling pressure symbol: pixel-style gauge: the word bar above a tapering column that fills from the bottom, with two dotted lines marking the permitted range
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Heating & air conditioning

Heating system filling pressure

Pixel-style gauge: the word bar above a tapering column that fills from the bottom, with two dotted lines marking the permitted range. · also called “bar”, “low pressure”, “pressure”, “system pressure”, “water pressure”

What it means on vaillant

Heating filling pressure

Shows the current water pressure in the heating system; the dotted lines mark the permitted range. Steady: pressure is within range. Flashing: pressure is outside the range. Recommended filling pressure is 1.5–2.5 bar; below 0.5 bar the boiler switches off and shows fault F.22. If the pressure is too low, top up the heating system.

Source · Manufacturer manual Vaillant ecoTEC plus VU 446/5-5 and VU 606/5-5 boiler operating instructions · checked

Where it appears

Heating & air conditioning

Questions about the Heating system filling pressure symbol

What does the Heating system filling pressure symbol mean on the Vaillant ecoTEC plus VU 446/5-5 and VU 606/5-5 boiler (VU 446/5-5)?
Shows the current water pressure in the heating system; the dotted lines mark the permitted range. Steady: pressure is within range. Flashing: pressure is outside the range. Recommended filling pressure is 1.5–2.5 bar; below 0.5 bar the boiler switches off and shows fault F.22. If the pressure is too low, top up the heating system.
What does the Heating system filling pressure symbol look like?
Pixel-style gauge: the word bar above a tapering column that fills from the bottom, with two dotted lines marking the permitted range. It is also called “bar”, “low pressure”, “pressure”, “system pressure” and “water pressure”.
Which products show the Heating system filling pressure symbol?
It is recorded on Vaillant ecoTEC plus VU 446/5-5 and VU 606/5-5 boiler (VU 446/5-5).

Checked against the source · · How we verify

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