Equipment Guide

Key facts, how long things last, and how to look after your equipment.

Calorifiers

60°C storage, 50°C+ return

2-4 bar

15-20 years

TMVs

38-41°C outlet (41°C max)

1-5 bar dynamic

5-8 years (service annually)

Expansion Vessels

Ambient

1.0-1.5 bar charge

10-15 years

CWSTs

<20°C ideal

Atmospheric

15-25 years

Water Softeners

Ambient

1-6 bar

10-15 years

RPZ Valves

Ambient

Up to 10 bar

10-15 years (test annually)

Backflow Prevention

Ambient

1-10 bar

10-15 years

Plate Heat Exchangers

Primary 80°C, secondary 60°C

Up to 16 bar

15-20 years

Circulation Pumps

Ambient

System pressure

8-12 years

Booster Sets

Ambient

1.5-5 bar

10-15 years

UV Systems

Ambient

Up to 10 bar

Lamp: 9000 hrs, unit: 10-15 years

Chemical Dosing Pots

Ambient

System pressure

15-20 years