Installation Manual
READ AND SAVE THESE INSTRUCTIONS
1. Welcome ....................................................................................................................... 4
2. Safety ............................................................................................................................ 5
2.1 Safety Symbols ....................................................................................................... 5
2.2 Safety Precautions .................................................................................................. 5
3. About ............................................................................................................................ 7
3.1 Components ............................................................................................................ 7
3.2 Specifications .......................................................................................................... 8
3.3 Dimensions ............................................................................................................. 10
4. Installation ..................................................................................................................... 12
4.1 Installation Guidelines ............................................................................................. 12
4.2 What You Will Need ................................................................................................ 13
4.3 Choose an Installation Location............................................................................... 13
5. Venting .......................................................................................................................... 17
5.1 Venting Requirements ............................................................................................. 17
5.2 Select a Vent Type .................................................................................................. 19
6. System Plumbing .......................................................................................................... 37
6.1 Pressure Relief Valve Requirements ....................................................................... 37
6.2 Temperature-PRV Requirements ............................................................................ 37
6.3 Typical Installations ................................................................................................. 38
6.4 Piping Diagram for Basic Installations ..................................................................... 40
6.5 Piping Diagram for Multiple Unit Installations........................................................... 41
6.6 Connect the Water Heater to the Water Supply ....................................................... 42
7. Gas and Power Supply .................................................................................................. 43
7.1 Connect the Gas Supply.......................................................................................... 43
7.2 Connect Electricity................................................................................................... 46
7.3 Pump Controller ...................................................................................................... 48
8. Post-Installation Checklist.............................................................................................. 49
9. Maintenance .................................................................................................................. 50
10.1 Replacement Parts ................................................................................................ 51
10.2 Service/Maintenance Log ...................................................................................... 53
10. Warranty ...................................................................................................................... 54