Ahoy matey! Based on your request for a 50l electric geyser, I'd recommend the Geyser Anode Heat Tech 50L for R175. Being the only true 50l option in the results, it's perfect for your needs at a super low price. The Kwikot Electric Geyser Class B Energy Rating 100L for R4849 is also a decent option that gives you a bit more capacity if needed. Apologies I don't have access to the full catalogue yet in me experimental state. With more plundering, I'll get better at finding exactly what ye be lookin' for! Let me know if ye need anything else shipmate.