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Water pressure reducing valves decrease water pressure entering a home to decrease water usage and improve fixture and appliance performance.

Water pressure reducing valves decrease water pressure entering a home to decrease water usage and improve fixture and appliance performance.
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Water should not be directed to flow into the wall. This could soon lead to water intrusion inside the wall.

Water should not be directed to flow into the wall. This could soon lead to water intrusion inside the wall.
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Water softeners reduce minerals in hard water but overly frequent recharging of the mineral tank can waste water.

Water softeners reduce minerals in hard water but overly frequent recharging of the mineral tank can waste water.
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Water stains on the framing indicate water infiltration at the skylight

Water stains on the framing indicate water infiltration at the skylight
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Water-proof materials cover the exterior side of crawlspace windows in a crawlspace retrofit, while foil-faced rigid foams seals and insulates the inside face of the openings

Water-proof materials cover the exterior side of crawlspace windows in a crawlspace retrofit, while foil-faced rigid foams seals and insulates the inside face of the openings
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WaterSense approved toilet

WaterSense approved toilet
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WaterSense-labeled showerheads release ≤ 0.35 gallons of water in a 10-second flow test.

WaterSense-labeled showerheads release ≤ 0.35 gallons of water in a 10-second flow test.
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Wave scour at a single vertical foundation member (pile), with and without underlying scour-resistant stratum.

Wave scour at a single vertical foundation member (pile), with and without underlying scour-resistant stratum.
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Weather barrier should be taped and sealed around all edges and penetrations to prevent moisture infiltration.

Weather barrier should be taped and sealed around all edges and penetrations to prevent moisture infiltration.
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Weather resistant barrier is wrapped over the edge from roof to wall sheathing to provide a continuous air barrier at this transition.

Weather resistant barrier is wrapped over the edge from roof to wall sheathing to provide a continuous air barrier at this transition.
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Weatherstrip installation on a door.

Weatherstrip installation on a door.
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Weatherstripping has been installed along the edge of this attic access panel to air seal the opening.

Weatherstripping has been installed along the edge of this attic access panel to air seal the opening.
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Weatherstripping has been installed along the framing of this attic access panel to air seal the opening.

Weatherstripping has been installed along the framing of this attic access panel to air seal the opening.
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Weep holes: Rope inserted in the head joist between bricks will allow water to weep out of the base of the wall assembly

Weep holes: Rope inserted in the head joist between bricks will allow water to weep out of the base of the wall assembly
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Weiss Building & Development built this custom home in the cold climate in South Elgin, IL, and certified it to DOE Zero Energy Ready Home specifications in 2013.

Weiss Building & Development built this custom home in the cold climate in South Elgin, IL, and certified it to DOE Zero Energy Ready Home specifications in 2013.
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Well insulated slab

Well insulated slab
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Well sealed duct lifted into raised ceiling chase

Well sealed duct lifted into raised ceiling chase
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Wet Floodproofing Equal Rates of Rise and Fall to Eliminate Hydrostatic Pressure Differences

Wet Floodproofing Equal Rates of Rise and Fall to Eliminate Hydrostatic Pressure Differences
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Wet-applied insulation that is still drying.

Wet-applied insulation that is still drying.
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What mesh opening size is needed to keep out what type of pests?

What mesh opening size is needed to keep out what type of pests?
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When a minisplit heat pump’s air filters get this clogged, air cannot flow through the filters and the heat pump may stop running until the filters are cleaned

When a minisplit heat pump’s air filters get this clogged, air cannot flow through the filters and the heat pump may stop running until the filters are cleaned
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When adding an addition to an existing home, the new construction must meet current code.

When adding an addition to an existing home, the new construction must meet current code.
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When adding insulation to a garage door, measure your door framing to determine what thickness of rigid foam the space will allow.

When adding insulation to a garage door, measure your door framing to determine what thickness of rigid foam the space will allow.
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When appliances are pulled out, you can access the sill plate to seal between the wall and subfloor as well as around other holes in the walls for wiring or plumbing.

When appliances are pulled out, you can access the sill plate to seal between the wall and subfloor as well as around other holes in the walls for wiring or plumbing.