Call our qualified team for septic tank clearance. The fix here is usually just replacing the faulty part. If you're based in england or wales, please contact the energy saving advice service 9esas) on 0300 123 1234 advisors are available from monday to friday, between 9am to 8pm (calls cost no more than a national rate call). Spread the cost of your gas boiler replacement. Superhidic: innovative energy saving distillation.