Join Date: Dec 2013
Location: Chandler, Arizona
Great information, I would also like to include the detergent we use for cleaning coils
KD-420 ACID-BASED COIL CLEANER
Kärcher's KD-420 Acid-Based Coil Cleaner is a powerful, acid-based coil cleaner that effectively attacks rust and hard water deposits in pressure washer hot water coils. KD-420 does not contain mineral acids, such as hydrochloric (muriatic), sulfuric and hydrofluoric acids that are commonly used in other coil conditioners. Even though it is acid-based, KD-420 is formulated so it can safely pass through a pressure washer without damaging the high-pressure pump. Do NOT use on aluminum or tin.