Recent content by jeffleek

The burners seem to be melting and the cast iron headers are rusting and getting into the water. - - - Updated - - - The burners seem to be melting and the cast iron headers are rusting and getting into the water. At first I figured it was water chemistry but the reads are pretty consistent.

We have a 2 year old Raypak CR407L NAT CI IID ASME Low Nox heater that has been nothing but trouble. I've used Raypak heaters for years without much fuss and generally get 5-7 years of use. I am contemplating switching to a heater with polymer headers and wondered if anyone had any comments on...