Icos : Pressure Gauge

  Pressure Gauge will probably be located in airing cupboard or by the filling loop.
Pressure Gauge: normal cold

Pressure Gauge: normal hot

Pressure Gauge : zero

Normal (boiler cold)

0.7 to 1.5 bar

Normal (boiler hot)

1.2 to 2.5 bar

Pressure at very low or zero.

Requires more water via filling loop

If pressure loss persists check for leaks