WEATHERIZATION INSTALLERTECHNICIAN FUNDAMENTALS Plumbing Overview WEATHERIZATION ASSISTANCE PROGRAM

WEATHERIZATION INSTALLER/TECHNICIAN FUNDAMENTALS Plumbing Overview WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 1 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 eere. energy. gov

Learning Objectives PLUMBING OVERVIEW By attending this session, participants will be able to: • Recognize common plumbing tools and materials, their characteristics and uses, and fittings. • Discuss common hazards and how to resolve them. • Install faucet aerators, pipe insulation, and tank wrap. • Recognize asbestos. • List potential water heater replacement types. • Cite applicable building codes. 2 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 eere. energy. gov

Basic Plumbing Toolkit PLUMBING OVERVIEW Photo courtesy of Popular Mechanics 3 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 eere. energy. gov

Common Plumbing Materials PLUMBING OVERVIEW Graphic courtesy of watersystemsz. com 4 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 eere. energy. gov

Cast Iron Pipe PLUMBING OVERVIEW • Commonly used for main waste drain • Very strong • Difficult to cut • Fitting Method: Banded neoprene couplings Banded neoprene fitting, also called a no-hub cast iron pipe fitting. 5 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 Images courtesy of About. com – Home Repair eere. energy. gov

PVC and CPVC PLUMBING OVERVIEW Drains, waste, and venting Hot and cold water supply Images courtesy of About. com – Home Repair 6 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 eere. energy. gov

Chromed Piping PLUMBING OVERVIEW Chromed brass pipe Exposed drains and traps Chromed copper pipe Water supply Images courtesy of About. com – Home Repair 7 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 eere. energy. gov

Galvanized Iron Pipe PLUMBING OVERVIEW Was commonly used for supply and drain lines in older homes Threaded fittings are prepared with plumber’s tape Image courtesy of all-about-pipe. com Image courtesy of 411 plumbing. com Image courtesy of About. com – Home Repair 8 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 eere. energy. gov

Copper Pipe PLUMBING OVERVIEW Used for water supply Soldering joints Images courtesy of About. com – Home Repair 9 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 Image courtesy of familyhandyman. com eere. energy. gov

PEX Piping PLUMBING OVERVIEW Piping, fittings and crimping tools Image courtesy of pexsupply. com Crimpers Image courtesy of extremehowto. com Plumbing manifold Image courtesy of jobsitebuildiq. com Image courtesy of mobilehomerepair. com 10 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 eere. energy. gov

Black Iron Pipe PLUMBING OVERVIEW Black iron pipe is commonly used for gas supply lines. Black Iron Pipe Image courtesy of About. com – Home Repair Image courtesy of checkthishouse. com Image courtesy of preferredhomerepair. com Gas supply lines should have drip legs to collect condensation. 11 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 eere. energy. gov

Health and Safety PLUMBING OVERVIEW Factors to consider include: • • Insufficient clearance Significant plumbing leaks Structural problems Standing water or open sewage • Vermin • Major obstructions • Electrical hazards Photo courtesy of WV GOEO Note: The health and safety of workers and the long-term integrity of the client’s home should be the main concerns. 12 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 eere. energy. gov

Plumbing-related Energy Efficiency Measures PLUMBING OVERVIEW Common efficiency measures related to plumbing include: • Wrapping hot water heater tanks with insulation. • Adding pipe insulation to hot water pipes. • Water heater replacement. • Adjusting the set temperature. • Repairing leaky hot water taps. • Installing low-flow showerheads and faucet aerators. After checking the temperature at the faucet, the auditor may adjust the water heater set temperature. Photo courtesy of US Department of Energy 13 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 eere. energy. gov

TYPICAL WEATHERIZATION MEASURES Photos courtesy of the US Department of Energy 14 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 eere. energy. gov

Insulate the Pipes PLUMBING OVERVIEW Pipe is exposed at elbow Insulation too close to flame Cut pipe insulation at an angle to cover elbows Don’t insulate too close to the flame on gas water heaters Photos courtesy of the US Department of Energy 15 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 eere. energy. gov

Asbestos Pipe Wrap PLUMBING OVERVIEW Removal and disposal of asbestos materials requires special training and credentials. Check state requirements. Image courtesy of theaurorahomeinspector. com If asbestos pipe wrap is discovered on the job site, notify the crew leader for direction. 16 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 eere. energy. gov

Replacement PLUMBING OVERVIEW Replacement can be based on: • Audit • Water Heater Guide on WAPTAC • Health & Safety Can replace existing water heater in eligible households with: • Standard tank water heaters • Whole Home Tankless • Heat Pump Water Heaters • Solar Water Heaters Images courtesy of www. energystar. gov 17 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 eere. energy. gov

Hot Water Use PLUMBING OVERVIEW Cut down on hot water use by repairing leaks and installing low-flow fixtures. Dishwasher 10% 14% Sink Filling Clothes Washer 14% 6% Faucet Flow 20% Bath Filling Showers 37% Source: 2008 Buildings Energy Databook. US DOE 18 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 eere. energy. gov

Repair Leaky Hot Water Tap PLUMBING OVERVIEW Average High Energy Savings 144 k. Wh/yr 3, 000 k. Wh/yr $ Savings* $15. 84/yr $330/yr Leakage 2 drips/min 1 drip/sec * Savings based on $0. 11/k. Wh 19 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 eere. energy. gov

Low-Flow Fixtures PLUMBING OVERVIEW Reduce Hot Water Consumption • Showers: Replace faucets with flow of ≥ 3 gpm • Lavatory faucets: Install faucet aerators if none exist • Kitchen faucets: Install faucet aerators if none exist Image courtesy of askmehelpdesk. com 20 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 eere. energy. gov

Faucet Aerators PLUMBING OVERVIEW Faucet aerators: • Can reduce hot water use. • Go together as shown here. Image courtesy of askmehelpdesk. com 21 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 eere. energy. gov

Summary PLUMBING OVERVIEW • Common plumbing materials include galvanized pipe, PVC/CPVC, copper, black iron pipe, cast iron, and PEX. • Many low-cost measures – faucet aerators, pipe insulation and tank wrap – take almost no time to install and save the clients money. • Asbestos should not be disturbed. • Water heater replacements may include storage tank, ondemand, solar, and heat pump water heaters. • NFPA 54 provides gas fitting guidelines. The UPC addresses plumbing. 22 | WEATHERIZATION ASSISTANCE PROGRAM STANDARDIZED CURRICULUM – July 2012 eere. energy. gov