Hot Water System Components

What is this item?

• 3 port valve

• Blending valve

• Zone valve

What is this component?

• Direct cylinder

• Indirect cylinder

• Thermal store

• Combination unit

Where would this component be found?

• Combination boiler

• Open vented cylinder

• Condensing boiler

• Unvented cylinder

What is this component

• Regenerative shower pump

• Negative head shower pump

Where should this component be placed?

• On an internal wall

• On a boiler

• On a cylinder

• On an external wall

What is this item known as?

• Essex flange

• Tank connector

• Surrey flange

What is this component knows as?

• Surrey flange

• Tank connector

• Essex flange

What is this component?

• Thermal store

• Water jacket

• Unvented cylinder

• Combination boiler

What is this item

• Heat exchanger

• High recovery Heat exchanger

Which principle allows the high recovery heat exchanger to operate more efficiently?

• Increased temperature of water in coil

• Increased pressure of water in coil

• Increased flow rate of water in coil

• Increased surface area of coil