| 7.8102.3a
Hazardous material removal | Health concerns in the removal and replacement of equipment (e.g., asbestos, other hazardous materials) will be identified Written notification will be provided to occupants of the discovery of hazardous material, including contact information for regional
EPA
EPA
U.S. Environmental Protection Agency, www.epa.gov
asbestos coordinator Occupants will be asked to contract with an
EPA
EPA
U.S. Environmental Protection Agency, www.epa.gov
-certified asbestos contractor to conduct abatement before equipment removal and replacement (occupant is responsible for abatement or remediation) | Remediate health hazards using
EPA
EPA
U.S. Environmental Protection Agency, www.epa.gov
- certified contractors |
| 7.8102.3b
Equipment removal | Accepted industry procedures and practices will be followed to: - Remove old water heater and associated components in accordance with 2012
IRC
IRC
International Residential Code
R105.1
- Seal any unused chimney openings and penetrations in accordance with 2012
IRC
IRC
International Residential Code
N1102.4.1.1
- Remove unused oil tank, lines, valves, and associated equipment in accordance with 2012
IRC
IRC
International Residential Code
M2201.7
All work shall be completed by a licensed plumbing professional where required by the authority having jurisdiction and installed to industry-accepted standards | Ensure the safety of the workers and occupants Preserve integrity of the building Remove old equipment in a timely and efficient manner |
| 7.8102.3c
New equipment installation | A new water heater and associated components will be installed to accepted industry standards, in accordance with the 2012
IRC
IRC
International Residential Code
, authority having jurisdiction, and manufacturer specifications All work shall be completed by a licensed plumbing professional where required by the authority having jurisdiction | Ensure the safety of the workers and occupants Preserve integrity of the building Remove old equipment in a timely and efficient manner |
| 7.8102.3d
Emergency drain pan | An emergency drain pan will be installed with sides that extend a minimum of 4" above floor if leakage would cause damage to the home and in accordance with P2801.5 of the 2012
IRC
IRC
International Residential Code
A ¾" drain line or larger will be connected to tapping on pan and terminated in accordance with P2801.5.2 of the 2012
IRC
IRC
International Residential Code
| Collect and safely dispose of water escaping from the storage tank |
| 7.8102.3e
Temperature and pressure relief valve | Correct temperature and pressure relief valve will be installed in compliance with P2803 of the 2012
IRC
IRC
International Residential Code
and according to manufacturer specifications Temperature and pressure relief valve discharge tube will be installed in accordance with P2803.6.1 of the 2012
IRC
IRC
International Residential Code
| Discharge excessive energy (pressure or temperature) from storage tank to safe location |
| 7.8102.3f
Dielectric unions | Dielectric unions will be installed to accepted industry standards, in accordance with the 2012
IRC
IRC
International Residential Code
, and according to manufacturer specifications | Break the stray voltage electrical circuit through the storage tank |
| 7.8102.3g
Backflow prevention and pressure regulator | Backflow prevention will be installed in accordance with manufacturer specifications House water pressure and volume will be verified as sufficient to be in accordance with manufacturer specifications All applicable codes will be followed | Protect the water supply from contamination Provide for sufficient volume and pressure |
| 7.8102.3h
Thermal efficiency | Any accessible hot water lines at the appliance will be insulated to meet 2012
IRC
IRC
International Residential Code
N1103.4.2 or local requirements, whichever is greater | Reduce line losses |
| 7.8102.3i
Required combustion air | Recommendations will be made to install all on-demand appliances as sealed combustion If not possible: Combustion and ventilation (excess air) requirements of gas-fired appliances, including provision of outside and inside air to account for building tightness, will be provided The minimum required volume shall be 50 cubic feet per 1,000
Btu
BTU
British thermal unit
/h in accordance with 2012
IRC
IRC
International Residential Code
G2407.5.1 If needed, additional combustion air will be provided in accordance with 2012
IRC
IRC
International Residential Code
G2407 | Ensure adequate combustion air for operation of the appliance |
| 7.8102.3j
Venting of flue gases | Combustion byproducts will be removed in accordance with Chapter 24 of the International Residential Code (2012
IRC
IRC
International Residential Code
) and manufacturer specifications | Ensure the safety and durability of the venting system |
| 7.8102.3k
Flue gas testing | Undiluted flue gases will be checked with a calibrated combustion analyzer in accordance with
BPI
BPI
Building Performance Institute, www.bpi.org
-1100-T-2012 If combustion is not in compliance with
BPI
BPI
Building Performance Institute, www.bpi.org
-1100-T-2012, diagnostics and adjustments will be done to manufacturer specifications or local codes | Confirm that combustion is occurring safely with maximum efficiency |
| 7.8102.3l
Electric and fossil fuel supply | Electric or fossil fuel supply components will be installed to accepted industry standards as per Chapter 24 of the 2012
IRC
IRC
International Residential Code
, the NFGC,
NFPA
NFPA
National Fire Protection Association, www.nfpa.org
31, 54, and 58 for gas and oil, or
NFPA
NFPA
National Fire Protection Association, www.nfpa.org
70 National Electric Code for electric Energy input required by the appliance will be in accordance with manufacturer specifications | Provide sufficient fuel to the water heater burner or element |
| 7.8102.3m
Cold water supply | The volume and pressure of the water supplied to the appliance will be in accordance with manufacturer specifications | Provide sufficient volume and pressure of water to the appliance |
| 7.8102.3n
Discharge temperature | Discharge temperature will be set in accordance with manufacturer instructions and in compliance with local codes Use extreme caution when temperature setting is above 120°F | Ensure safe hot water supply temperature to fixtures |
| 7.8102.3o
Commissioning of system | The following will be checked once the system has been connected and filled: - Safety controls
- Combustion safety and efficiency
- Operational controls
- Fuel and water leaks
- Cycle unit
- Local code requirements
Manufacturer specifications and all relevant industry standards will be met in commissioning | Ensure system functions safely with lowest possible cost of ownership |
| 7.8102.3p
Ambient
CO
CO
Carbon monoxide
| All homes with combustion appliances or an attached garage will have a carbon monoxide (
CO
CO
Carbon monoxide
) alarm | Ensure occupant health and safety |
| 7.8102.3q
Occupant education | Completed work will be reviewed Occupants will be educated on the safe and efficient operation and maintenance of the system, including: - Adjustment of water temperature and target temperature in accordance with local code
- Operation of backflow preventer and pressure regulator (no occupant maintenance required)
- Importance of keeping operating manuals accessible
| Ensure occupant is informed of the safe, efficient operation and maintenance of the system |
