Ammonia is a normal constituent of all body fluids. At physiologic pH, it exists mainly as ammonium ion.
Compare the cost of the repair to the cost of replacing. A repair averages between $300 and $500 for most common issues. A replacement can cost between $3,000 and $5,000 for the new equipment installation, inspections and removing the old system.f you have a boiler installed or replaced, you might pay anywhere between $3,111 and $7,204. On average, homeowners tend to pay $5,100. These prices are highly dependent on the type of boiler you choose.
Considering I'm loking for a new boiler at the moment I can only say that my experience over the last 20 years with a combi doesn't compare with what you say. I had my boiler servced every two years, in the beginning it was about Â£20 my last one, last year, was Â£70.