What type of hot water cylinder is this

• Indirect double feed cylinder

• Indirect single feed cylinder

• Combination type cylinder

• Direct single feed cylinder

What type of hot water stroage vessel is this

• Pressurised unvented

• Open vented

• Combination type

• Hot jacket type

What type of hot water storage cylinder is this

• Indirect single feed

• Primatic

• Combination "Fortic"

• Double feed unvented

What energy means of heating water are sustainable

• Electric immersion heater

• Solar panels

• LPG boiler

• Condensing boiler

What type of water heater is classed as a localised water heater

• 
• 
• 
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What is this hot water component called

• Immersion heater

• Immersion spanner

• Expansion valve

• Immersion beater

This hot water component is called

• Hampshire Flange

• Berkshire Flange

• Essex Flange

• Surrey Flange

The safety device incorporated inside an immersion heater is called

• A thermostat

• A thermal cut out

• A thermometer

• A resistor-stat

To avoid Parasitic circulation in a HW cylinder vent pipe the length of horizontal pipework should be a minimum of how many mm

• 405mm

• 554mm

• 450mm

• 540mm

What is this device called

• A TMV Thermostatic mixing valve

• A TSV Thermostatic shower valve

• A TRV Thermostatic radiator valve

• A TCV thermostatic cylinder valve