To find out why we are, once again, seeing such poor results, we turned to gas safe, which is responsible for checking that gas work is done safely, and the engineers themselves. Need a drain unblocked, or have a problem with your drain? Ap plumbing, ridgeway ave, rochester, ny tel: -- | --. Very professional and skilled employees amanda was so nice and set up my appointment promptly i highly recommend this company! For blockages in other waste fittings/pipework use. Anthony and.