⚡ Quick Answer
Your shower flow is too high for your heater
🧠 Why
Large Sized Rain showers use a lot of water per minute
Heater cannot keep up
🚀 Solution
Use low-flow shower head
OR upgrade heater capacity
👉 Flow mismatch = #1 cause of “not hot enough”
Refer to the chart for the capacity recommendations
Capacity | Normal Shower | Rain Shower |
25 Litres | 1 Sink OR 1 Normal Shower | Not Recommended |
35 Litres | 1 Normal Shower AND 1 Sink | 1 Rain Shower 6" (15cm) |
38 Litres | 1 Normal Shower AND 1 Sink | 1 Rain Shower 6" (15cm) |
50 Litres | 2 Normal Showers |
|
56 Litres | 2 Normal Showers |
|
68 Litres | 1 Long Bath OR 3 Normal Showers |
|
91 Litres | 1 Long Bath AND 1 Normal Shower |
|