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I have a Worcester Heatslave Model HHSC25OSO 20/25 Oil boiler
The expansion tank fitted is Round and 10Ltr (I think)
My problem is that in all the Heatslave documentation I see the expansion tank is rectangular and protrudes through the control box right to the top of the boiler casing.!! My round one stops short of the control box.
My expansion tank is leaking water from the charging valve which to me means the membrane inside is damaged. The pressure gauge falls to zero and I'm continually opening the water valve to get it above 1 Bar. The boiler seems to be working fine apart from this.
Will I cure this continual drop in pressure by changing the tank and if so how do I go about doing it? will I need to completely drain the boiler ? What effect I If don't change the tank ?
The expansion tank fitted is Round and 10Ltr (I think)
My problem is that in all the Heatslave documentation I see the expansion tank is rectangular and protrudes through the control box right to the top of the boiler casing.!! My round one stops short of the control box.
My expansion tank is leaking water from the charging valve which to me means the membrane inside is damaged. The pressure gauge falls to zero and I'm continually opening the water valve to get it above 1 Bar. The boiler seems to be working fine apart from this.
Will I cure this continual drop in pressure by changing the tank and if so how do I go about doing it? will I need to completely drain the boiler ? What effect I If don't change the tank ?