Monday - friday from 8am to 5pm. Contact the which? tech support helpline for jargon-free technical support. Hi, we are looking to have our... Like the two devices above, the snake is designed to go down into the drain and “snake” out whatever is clogging the pipes it can be expensive to buy one, but there are places that will rent them (or find a cheaper version with decent ratings. Repair & protect is provided by domestic & general, the uk's leading.