As a rule of thumb, if your water supply is normal water also known as fresh/ soft water, you can pretty much use any model of instant shower that pleases you; without worrying about damaging the heating element.
Original price was: KSh 3,300.KSh 2,800Current price is: KSh 2,800.
Original price was: KSh 14,000.KSh 12,000Current price is: KSh 12,000.
Original price was: KSh 2,000.KSh 1,599Current price is: KSh 1,599.
Original price was: KSh 2,999.KSh 2,700Current price is: KSh 2,700.
Original price was: KSh 24,000.KSh 19,500Current price is: KSh 19,500.
Original price was: KSh 6,500.KSh 6,000Current price is: KSh 6,000.
Original price was: KSh 3,000.KSh 2,900Current price is: KSh 2,900.
Original price was: KSh 16,500.KSh 15,500Current price is: KSh 15,500.
Original price was: KSh 24,000.KSh 19,500Current price is: KSh 19,500.
Original price was: KSh 18,000.KSh 17,000Current price is: KSh 17,000.
Original price was: KSh 10,000.KSh 9,500Current price is: KSh 9,500.
Original price was: KSh 24,000.KSh 20,000Current price is: KSh 20,000.
Original price was: KSh 24,000.KSh 19,500Current price is: KSh 19,500.
Out of stock
Original price was: KSh 2,500.KSh 2,350Current price is: KSh 2,350.
Original price was: KSh 15,000.KSh 14,999Current price is: KSh 14,999.
Original price was: KSh 6,500.KSh 6,000Current price is: KSh 6,000.
KSh 4,000
This product has multiple variants. The options may be chosen on the product page 
Original price was: KSh 10,500.KSh 8,499Current price is: KSh 8,499.
Price range: KSh 23,000 through KSh 28,000
This product has multiple variants. The options may be chosen on the product page 
Original price was: KSh 3,000.KSh 2,899Current price is: KSh 2,899.
Original price was: KSh 18,000.KSh 16,500Current price is: KSh 16,500.
With normal/ fresh/ soft water, you can use any instant shower/ heater without worrying about the element. With proper installation/ use, a good quality instant shower will serve you for a very long time.