Auto-Diverting Tub Spout System

At a Glance

Status

not accepted

Decisions

Expand All Decisions

Latest decision

Decision details

Decided

February 22, 2017

Do not allocate resource to measure development

Decision Details

Do not allocate resource to developing a Thermostatic Tub Spout Restriction Valve System measure.

Proposer Information

Name

Clint Stewart

Organization

Puget Sound Energy

Proposer Documents

Calculating Tub Spout Savings 18Dec15.pdf

Calculating Tub Spout Savings 18Dec15.pdf

Description

There are two methods for drawing hot water to a shower in a tub/shower combination bathroom. The first method is called a showerhead warm-up. This type of warm-up occurs when bathers activate the water flow and immediately divert water from the tub spout to the showerhead while it is still cold - thereby drawing hot water via the showerhead. After the water exiting the showerhead becomes hot, bathers begin showering. The second method is called a tub spout warm-up. This type of warm-up occurs when bathers draw hot water by having cold water exit the tub spout until hot water arrives. After the water becomes hot, bathers use the tub spout diverter to send water to the showerhead and begin showering. A considerable volume of water is wasted while users are waiting for hot water to arrive. This waste is called warm-up waste and consists of two distinct components; structural waste and behavioral waste. We see this new measure as a fantastic complement to our existing thermostatic restricting showerhead direct install measure. http://thinkevolve.com/support/datasheets/ Alan Work Director of Business Development I Evolve Technologies LLC President, SW Chapter I AESP 480.215.3061 I alan.work@thinkevolve.com 15354 N 83rd Way I Scottsdale, AZ I 85260