A pressure vessel in a water heater is installed when a water pump is present in order to safely contain and manage the pressurized water within the system. This is necessary in order to maintain less pressure inside the water heater itself when heating to ensure less damage from excessive pressure inside the tank.
This product is used for a unit of maximum 20Ltrs.
 
Atlantic compatible units- 10Ltrs, 15 Ltrs.
Preset Charge – 3.5BAR
Connection size 1/2 inch.
Color- White.