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.
Combi boiler prices vary, depending on size, make and what type of fuel it burns. The average price of a new gas combi boiler including installation is around $3,700 (Â£2,300). The final price of the combi boiler cost includes: 1  Cost of the boiler.