Water Heating & Pumping

351 topics in this forum

1. Excess solar to heat water 1 2 3 4 5

   By viper_za, March 1, 2016
   • 119 replies
   • 24.1k views
   • 
   • viper_za
   • March 19, 2018

2. Heating water from PV system 1 2 3 4

   By Tony Swash, March 10, 2019
   • 93 replies
   • 15.7k views
   • 
   • phil.g00
   • November 5, 2019

3. Best electric geyser replacement 1 2 3 4

   By Petrie, June 1, 2021
   • 85 replies
   • 14.6k views
   • 
   • hoohloc
   • July 20, 2022

4. 2kW geyser on 16A Sonoff 1 2 3 4

   By Ernie, July 20, 2019
   • 83 replies
   • 29.6k views
   • 
   • BritishRacingGreen
   • September 25, 2022

5. Solar Water Heating Recommendations 1 2 3 4

   By Kloon, April 29, 2016
   • 78 replies
   • 17.5k views
   • 
   • ___
   • May 12, 2016

6. Integrating a Geyserwise with a full-house PV system 1 2 3

   By suds7162, March 24, 2023
   • 66 replies
   • 6.6k views
   • 
   • root
   • September 22, 2023

7. Everything you wanted to know about Heat Pumps 1 2 3

   By Richard Mackay, June 18, 2020
   • 63 replies
   • 9.7k views
   • 
   • chrisc
   • May 28, 2023

8. "Derating" a geyser element 1 2 3

   By markus_m2, May 2, 2023
   • 61 replies
   • 4k views
   • 
   • Scorp007
   • October 27, 2023

9. Advice for powering a DC geyser element in a different way. 1 2 3

   By ace, June 6, 2023
   • 58 replies
   • 3.1k views
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   • Scorp007
   • June 8, 2023

10. Cost to heat a litre of water using gas versus Eskom 1 2 3

    By Antony, August 13, 2018
    • 52 replies
    • 24.4k views
    • 
    • hoohloc
    • September 19, 2021

11. Water heating calculation 1 2 3

    By DeepBass9, April 11, 2016
    • 51 replies
    • 16.6k views
    • 
    • ___
    • July 15, 2017

12. Changing My Conventional Geyser Element from 4kW to 2kW: Yes or No? 1 2

    By Nick555, June 19, 2023
    • 49 replies
    • 3.9k views
    • 
    • PowerUser
    • June 24, 2023

13. Borehole Advice 1 2

    By Raiden2912, May 21, 2023
    • 49 replies
    • 2.7k views
    • 
    • jumper
    • August 31, 2023

14. Titanium AC / DC element 1 2

    By viceroy, February 27, 2015
    • 49 replies
    • 24.9k views
    • 
    • hardy
    • November 2, 2020

15. Solar Water Heating - Lessons Learnt to date 1 2

    By Wetkit, July 27, 2015
    • 48 replies
    • 15.7k views
    • 
    • Wetkit
    • September 1, 2017

16. Heat Pump Advice 1 2

    By RichardvdS, June 23, 2023
    • 46 replies
    • 3k views
    • 
    • iiznh
    • July 18, 2023

17. Pool pump on inverter 1 2

    By Louw, September 22, 2016
    • 44 replies
    • 14.8k views
    • 
    • DeepBass9
    • January 25, 2017

18. Most Efficient Electric Geyser Replacement 1 2

    By Deez, June 9, 2021
    • 43 replies
    • 17.4k views
    • 
    • Pieter Lourens
    • October 1, 2023

19. DIY Solar water heating for the pool 1 2

    By MKRandburg, April 18, 2021
    • 41 replies
    • 5.8k views
    • 
    • Acuario
    • May 1, 2021

20. "Smart" Thermostat - Is there something like this? 1 2

    By Gustav du Plessis, May 30, 2019
    • 41 replies
    • 9.4k views
    • 
    • MKRandburg
    • September 27, 2022

21. Limiting Geyser Current 1 2

    By IdlePhaedrus, January 28, 2020
    • 40 replies
    • 10.4k views
    • 
    • RikusW
    • September 14, 2023

22. Sonoff Switch For Pool Pump 1 2

    By Energy-Jason, October 1, 2019
    • 40 replies
    • 19.2k views
    • 
    • Richard Mackay
    • October 20, 2020

23. Heat pump. Yes or no? 1 2

    By manievanwyk, December 2, 2022
    • 38 replies
    • 3.9k views
    • 
    • Scorp007
    • August 18, 2023

24. Advice for new/existing Solar Water installations vs Solar Electricity - From a consumer 1 2

    By KLEVA, May 25, 2022
    • 37 replies
    • 2.1k views
    • 
    • Gerrie
    • June 19, 2022

25. Adding Geyser To Inverter Circuit. 1 2

    By Jaco De Jongh, September 16, 2016
    • 37 replies
    • 18k views
    • 
    • BILLYwizz
    • February 17