Difference between Storage Water Heater & Instant Water Heater

IWH - Instant Water Heater

Instant Water Heater

Instant water heater is called instantaneous system as it heats up cold water instantly to warm water after passing through the heating element without waiting time.

1 Standing Shower

1 Power Point

Cold Water Pipe

IWH - Storage Water Heater System

Storage Water Heater System

Storage Water Heater System are the type for multipoint solutions which operates with mixer tap system and can supply to more than 1 shower point such as bathtub, jacuzzi, rain shower, sink or basin or washing machine.

Multipoint System

1 Power Point

Hot & Cold Pipes

Here are few tips to consider before buying a instant water heater:

1. Check the water pressure by checking distance from water tank or source from main.

Water Pressure System
from Mains or Ground Floor:

IWH-Strong water

If your water pressure is from the mains, typically it will be higher hence eliminates the need for the centralised domestic water pump.

Water Pressure System
from Mains or Ground Floor:

IWH-Weak Water

If water pressure is from the water tank and your home is 2-3 storeys high, generally you will need a water pump.

Water Pressure for Apartment / Condominiums:

IWH-Water Pressure System

2. Check sufficient water pressure.

Comfortable Water Pressure

Comfortable Water Pressure

More than 1 Bar or 14.35psi of water pressure

Booster Pump Water-Pressure

Booster Pump Water Pressure

4x booster power from normal water pressure.

Option 1: Instant Water Heater with Pump for 1 Shower Point

Inverter Booster
Pump

IWH-Instant Booster Pump

50% Energy Saving

Low Noise Operations less than 35dB

Durable

SB, SL, SC Series

SB Series, SL Series, SC Series

Turbo Booster
Pump

IWH-Turbo Booster Pump

30% Energy Saving

Low Noise Operations less than 65dB

Durable

SB, SL & SC Series

SB Series, SL Series, SC Series

AC Double Ball Bearing
Booster Pump

IWH-AC Double Ball_Bearing Booster pump

-

Low Noise Operations less than 80dB

Durable

880 & 838 Series

800 Series & 838 Series

Option 2: Centralised Domestic Water Pump for Multi Shower Point boosts water pressure for entire house

JHP Series Water Pump

Powerful Water Booster

Noise Reduction Technology

Multistage Centrifugal Pump

JHP Series

JHP Series

IWH-Centralised Water Pump

*If a centralised Booster Pump is installed for house, then you Instant Water Heater does not need a booster pump.

3. Choose your accessories

IWH-with rainshower

With Rain Shower

8'' rain shower bar set

5 spray option

With diverter valve
(switches between normal & rain shower)

3.8'' shower head

without rain shower

Without Rain Shower

Chrome Slider Bar Set

3 or 5 spray options

Without
diverter valve

3.8'' shower head

4. Choose your colour

IWH-White

White

Original White Plastic

Long Lasting

Non-UV resistant

IWH-2K Spray

2K Spray

Double Layer Spray Paint Finishing

Long Lasting

Protects from sun UV rays

5. Check your installation point

Plug Point & Wiring Connection: 15 Amp. for 3.6kW

Recommend concealed wiring behind the water heater outlet.

concealed wiring

Piping: 1/2 BSP Standard Piping

Connect to inlet of water heater height more than 4ft from the ground.
Inlet always on the right and outlet on the left.

IWH-Piping

Sample Guideline for Instant Water Heater Installation

IWH-Guideline