NATIONWIDE WATER PRODUCTS LTD supply a variety of Traditional Pressurisation Units that are typically used in conjunction with any conventional “Pre-charged” Expansion Vessels. The Expansion Vessel needs to be correctly sized to accommodate any thermal changes in the system temperature and to provide Pressure stability to the systems under all working conditions. The Pressurisation Unit’s main function is to provide refill water to the system in the event of the systems lower working pressure being compromised.

These units can be either Floor Standing or Wall Mounted.

They typically include the following features.

• High & Low-Pressure Alarms

• High & Low-Pressure system interlocks

• Pump auto change over (2 pump) units.

• Common Volt free contacts for alarm

• Fault logging and run history

• BMS Interface

• Various levels of flood protection

• Integral Break-Tank with type AB air gap.

NATIONWIDE WATER PRODUCTS LTD can offer any design input or technical support in respect of correct sizing of all Expansion Vessels and Pressurisation Systems.