The contractor must be licensed in plumbing and gas equipment installation and or repair in the state of New Hampshire, attach a copy of said license and have general knowledge of residential and commercial plumbing & heating system, which would include but not limited to: • Replace or repair of sinks, faucets, showers, toilets • Replace or repair hot and cold water lines • Install or repair domestic hot water heaters and circulators • Replace or repair back flows, pressure reducing valves, sewer lines • Repair small natural gas, propane heaters and oil furnaces • Conduct annual cleaning and inspections of small heating units • Provide cost estimates for plumbing and heating projects • Relocate plumbing for relocating of water meters or sewer services