How do i open the drain out bathroom bottle? Our range of products include wall hung and floor standing gas boilers from kw to mw thermal outputs. The outside drain used to get blocked up and cause flooding on the patio until a friend suggested kilblock drain unblocker i was astounded by the result the drain was clear within minutes and kilblock gets a big thumbs up from me! The most obvious sign that something is not right with your boiler and you may need boiler repair is.
Added: 2020-05-11 | Category: one