div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Mahoney Heating Plumbing Weymouth DorsetmahoneyheatingcomMahoney-flushing-guide-P2pdf · than other flushing methods Minimises boiler warranty problems * depending on system src=https:reader033fdocumentsinreader033viewer202205191660077a4d8f704e231c3897a2html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv