7.8101.2 Low-Flow Retrofit Devices

Topic: 
Water Heating
Subtopic: 
Water Use Reduction
Desired Outcome: 
Safe and reliable hot water delivery system that meets the needs of the occupant/building management/building operations staff at the lowest possible life-cycle cost
TitleSpecification(s)Objective(s)
7.8101.2a
Removal

Work area will be dry

Care will be taken not to damage existing plumbing fixtures, finishes, and surroundings

Unusual pressure conditions will be noted and communicated to property manager (e.g., high, low, fluctuating)

Existing showerhead or aerator will be removed

Ensure work area is safe

Prevent water damage to living unit

7.8101.2b
Installation

Low-flow showerheads or aerators will be installed using a non-hardening thread sealant

Temperature-protected shutoff valves will be used

Showerheads with shut off valves will not be installed in buildings with central water heating systems

Ensure safe and quality installation

Eliminate crossover

7.8101.2c
Commissioning

Proper function at the fixture will be verified by turning water on to full flow

Notification should be given to tenants informing them not to remove low flow showerheads to maintain energy efficiency

Verify the new end-use device is operating properly