Page iii

Table of Contents

Topic

Page

Guide Update Record...............................................................................ii
Table of Contents ...............................................................................iii-iv
Introduction...................................................................................... 1-2

Part I - Creating An Energy Efficient Pool (pp. 3-22)

Flowreversal™........................................................................................ 3
What is Flowreversal?........................................................................... 3-4
Traditional plumbing............................................................................ 4-5
Traditional pool design ............................................................................ 5
Problems with traditional pool design........................................................ 5
Normal flow........................................................................................... 5
Reversing the flow................................................................................ 6-7
Benefits of flowreversal........................................................................... 7
Skimmer considerations ........................................................................... 8
In-floor circulation systems................................................................... 8-9
Aboveground pools.................................................................................. 9
Aboveground pool normal flow to reverse flow ........................................10
Physical description of the flowreversal valve ...........................................11
Manual operation of the flowreversal valve..........................................11-13
Automated Flowreversal ....................................................................13-14

Plumbing Diagram:WITHOUT Flowreversal for solar heaters................................15
Plumbing Diagram:
WITHOUT Flowreversal for non-solar heaters ..........................16
Plumbing Diagram:
Flowreversal, NORMAL FLOW for solar heaters .......................17
Plumbing Diagram:
Flowreversal, REVERSE FLOW for solar heaters.......................18
Plumbing Diagram:
Flowreversal, NORMAL FLOW for non-solar heaters..................19
Plumbing Diagram:
Flowreversal, REVERSE FLOW for non-solar heaters..................20

Manual vs Automatic Flowreversal...........................................................21
Pool blankets.....................................................................................21-22
Temperature sensors...............................................................................22