AT AARK GAS WHEN YOU HAVE A PROBLEM ON YOUR BOILER OR HEATING , WE LOOK AT THE WHOLE INSTALATION WE SORT OUT THE PROBLEM REGARDLESS WHETHER ITS ON YOUR BOILER OR ON YOUR HEATING SYSTEM . WE HAVE BECOME THE INSTALERS FIRST LINE OF DEFENCE WHEN IT COMES TO TROUBLESHOOTING SYSTEMS , WE SPECIALISE IN BOTH GAS BOILERS AND EXTERNAL CONTROLS FOR YOUR HEATING SYSTEM..