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.
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. 2  Cost of installation. 3  Cost of fittings and Accessories. 4  Cost of removing old tanks or old systems.