1. Solar Collector 2. Solar Collector Water Heater 14. Boiler Drain 15. Hose Cap 16. Thermometer 17. Mixing Valve 18. 2-Way Valve 19. 3-Way Valve 20. 2-Way Valve 21. Anode Rod 22. Temperature and Pressure Relief Valve 23. Cold Water Dip Tube 24. Water Heater Drain 25. Supplemental Water Heater 26. Optional Time Switch
