Arrange an appointment with us and we’ll be there with our specialist equipment and knowledge to survey your drains quickly & effectively. As we’ve already touched on, your boiler type will largely affect your boiler replacement cost before we jump into gas and oil boilers, we have to go over three primary boiler types and their costs. Breakdown of aluminum oxide: al. Alk plumbing and drainage news, tips, advice. Ridgid drum machines deliver high torque to.