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.
Best Answer: Combi for combi, (condensing), half day flushing (minimum), half day fitting, use Worcester Bosch (but not the i junior, it has no temp control on hot water), or vaillant, check the website where i work for some good info.Should cost Â£1800 - Â£2200 for the right boiler and a right job.est Answer: Combi for combi, (condensing), half day flushing (minimum), half day fitting, use Worcester Bosch (but not the i junior, it has no temp control on hot water), or vaillant, check the website where i work for some good info.