Because most of these products generate heat, they may soften the polyvinyl chloride, or pvc, pipes found in homes today however, such damage is rare if you use the drain cleaner as directed -- damage is more likely to occur when drain cleaner is used on older, metal pipes. The most obvious benefit of a combi.
The most reliable combi boilers should have the minimum of moving parts – this is an important factor to look for as it will mean less can go wrong the four moving parts in a combi boiler are the fan, pump, gas valve, dhw (domestic hot water) flow meter. We have been a worcester bosch approved installer business for. You guys did a great job you responded quickly to my call and got the job done promptly and professionally your rate was reasonable thanks for the help.