| Water preheating, assy. |
| Switch box and transformer |
| Preheating tank |
| Capacity control |
| Control valve |
| Valve |
| Sensor |
| Pump |
| Immersion heater |
| Retainer |
| Clamp |
| Plug |
| Plug |
| Nipple |
| Nipple |
| Elbow union |
| Nipple |
| Elbow union |
| Plug |
| Hose
Bulk ware, state length
required |
| Hose
Bulk ware, state length
required |