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Cylinder Thermostats

A Cylinder Thermostat monitors the temperature of the domestic hot water. A Cylinder Thermostat switches the heat supply from the boiler to the hot-water cylinder on and off.  It works by sensing the temperature of the water inside the cylinder, switching on the water heating when the temperature falls below the thermostat setting, and switching it off once the setting has been reached. The Cylinder Thermostat is strapped onto the hot water cylinder between one quarter and one third of the way up. Cylinder Thermostats should be set to about 55-60°C.

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Danfoss Cylinder Thermostat ATC 30-90 Degrees
Danfoss
Danfoss Cylinder Thermostat ATC 30-90 Degrees
041E001000
Price: £22.76
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Danfoss Randall ARV22 Automatic By Pass Valve 22MM
Danfoss
Danfoss Randall ARV22 Automatic By Pass Valve 22MM
099-106300
Price: £46.06
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Danfoss Randall AVDO15 15MM Straight Automatic By Pass Valve
Danfoss
Danfoss Randall AVDO15 15MM Straight Automatic By Pass Valve
003L611500
Price: £70.93
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Danfoss Randall AVDO20 22MM Straight Automatic By Pass Valve
Danfoss
Danfoss Randall AVDO20 22MM Straight Automatic By Pass Valve
003L612200
Price: £81.78
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Danfoss Randall AVDO25 28MM Straight Automatic By Pass Valve
Danfoss
Danfoss Randall AVDO25 28MM Straight Automatic By Pass Valve
003L612800
Price: £118.50
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Danfoss Randall RAVI - KOVM 15mm Cylinder Valve For Pumped Primaries
Danfoss
Danfoss Randall RAVI - KOVM 15mm Cylinder Valve For Pumped Primaries
013U808700
Price: £175.21
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Danfoss Randall RAVI - VMT 15/8 15mm Cylinder Valve For Pumped Primaries
Danfoss
Danfoss Randall RAVI - VMT 15/8 15mm Cylinder Valve For Pumped Primaries
013U808100
Price: £124.66
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Danfoss Randall RAVI - VMT 20/2 22mm Cylinder Valve For Gravity Primaries
Danfoss
Danfoss Randall RAVI - VMT 20/2 22mm Cylinder Valve For Gravity Primaries
013U808500
Price: £155.96
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Danfoss Randall RAVI - VMT 20/8 22mm Cylinder Valve For Pumped Primaries
Danfoss
Danfoss Randall RAVI - VMT 20/8 22mm Cylinder Valve For Pumped Primaries
013U808200
Price: £145.61
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Danfoss Randall RAVI - VMT 25/2 28mm Cylinder Valve For Gravity Primaries
Danfoss
Danfoss Randall RAVI - VMT 25/2 28mm Cylinder Valve For Gravity Primaries
013U808600
Price: £175.40
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Drayton Cylinder Thermostat HTS3
Invensys
Drayton Cylinder Thermostat HTS3
13007
Price: £26.93
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Drayton Digistat PlusC Wireless Cylinder Thermostat
Invensys
Drayton Digistat PlusC Wireless Cylinder Thermostat
13616
Price: £201.79
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Drayton DTB 22MM Automatic By-Pass Valve
Invensys
Drayton DTB 22MM Automatic By-Pass Valve
07 02 020
Price: £41.84
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Drayton PTS1 Pipe Thermostat
Invensys
Drayton PTS1 Pipe Thermostat
03 01 260
Price: £40.58
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Drayton Tap-Stat 15mm 2 Way
Invensys
Drayton Tap-Stat 15mm 2 Way
07 45 015
Price: £159.70
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Drayton Tap-Stat 15mm 3 Way
Invensys
Drayton Tap-Stat 15mm 3 Way
07 45 016
Price: £171.78
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Drayton Tap-Stat 28mm 2 Way Gravity
Invensys
Drayton Tap-Stat 28mm 2 Way Gravity
07 45 017
Price: £184.34
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Honeywell Cylinder Thermostat L641A 1039 40-80 Degrees
Honeywell
Honeywell Cylinder Thermostat L641A 1039 40-80 Degrees
L641A1039
Price: £27.46
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Honeywell DU145B 22MM Automatic Bypass Valve
Honeywell
Honeywell DU145B 22MM Automatic Bypass Valve
DU145-3/4B
Price: £45.38
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Honeywell EA122 Automatic Air Vent
Honeywell
Honeywell EA122 Automatic Air Vent
EA122-AB
Price: £15.78
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