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Control Knobs

What is a Control Knob?

A control knob is a rotary control used to provide input to a device when grasped by an operator and turned, so that the degree of rotation corresponds to the desired input. A control knob is also known as a tap handle, this is used to control power to appliances and to control the temperature of heating and hot water. Usually on a boiler there is a  temperature control knob, and also central heating and domestic hot water control knob. Manufacturers include, Baxi, Ideal, Vailliant, Glowworm and Vokera.

It is important to take your time to find the right Control Knob for your Gas Boiler. We have a large range in stock at DHS and if you are unsure please give us a call.

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286 results
1382778 Vaillant 0020074963 Knobs, Cpl. Grey (Pk3) 117319 0020074963 723058
This part fits...
£6.59(inc VAT)
1530140 Vokera 1860 Mode Selector Knob E24030 1860 795837
This part fits...
£3.06(inc VAT)
1530139 Vokera 1859 Temperature Control Knob E24029 1859 795836
This part fits...
£3.06(inc VAT)
1121194 Potterton 225251 Thermostat Knob 225251, 212352, 213076 8225251 338445
This part fits...
£10.42(inc VAT)
1017683 Worcester 87161410440 Control Knob 87161410440, 299510
This part fits...
£3.53(inc VAT)
2041906 Sime 6290100 Knob 40 Dia 6290100 E92753
This part fits...
£4.81(inc VAT)
1373538 Vaillant 114288 Knobs, Cpl. Grey (3 Knobs) 114288 E76370
This part fits...
£7.92(inc VAT)
1381580 Vaillant 0020048969 Knobs Grey (Pk3) 20048969 H56760
This part fits...
£10.42(inc VAT)
1291162 Halstead 300667 Ace Plastic Pot Knob E76070
This part fits...
£10.80(inc VAT)
1379462 Vaillant 0020010292 Handle (Set Of 2) 20010292 H46854
This part fits...
£6.40(inc VAT)
1118370 Baxi 5118397 Spares Kit Control Knob 5118397, H43538
This part fits...
£12.08(inc VAT)
1016705 Worcester 87161211090 Valve Spindle Knob Assy - Grey 87161211090, E01837
This part fits...
£3.32(inc VAT)
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