Clean blockages without damaging your pipes! If you are hoping that using the manufacturer will be better than an independent engineer then you are mistaken. Grants are available to replace gas, oil, lpg boilers and electric storage heaters that are broken or classed as inefficient the general rule is that any boiler over years old would most likely qualify. We'll do whatever it takes to address your plumbing concerns and leave you satisfied! If your boiler is too old.