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Dimmer Switch Knobs

Welcome to the Dimmer Switch Knobs section at Sparks. Easily find the perfect replacement dimmer knobs and covers for your light switches here.

Whether a knob is missing, broken, or simply needs an upgrade, our selection offers a wide range of styles, including classic white plastic and premium metal finishes.

We stock replacement knobs for leading dimmer manufacturers like Heritage Brass, Forbes and Lomax, Schneider, BG Electrical, and more.

Change your dimmer's look instantly with options like stylish knurled dimmer knobs.

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Knurled Dimmer Knob in Antique Brass from Heritage Brass, KNU600.91 Diamond Knurled Knob

Knurled Dimmer Knob in Antique Brass from Heritage Brass, KNU600.91 Diamond Knurled Knob

This is the M-Marcus KNU600.91 - a knurled dimmer knob in Antique Brass as alternative to the plain ..

Model: KNU600.91

£9.40 Ex. VAT

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Satin Nickel Knob for Rotary Dimmer Switches made by Heritage Brass K565.05

Satin Nickel Knob for Rotary Dimmer Switches made by Heritage Brass K565.05

This is a Heritage Brass satin nickel knob for the dimmer switches.  Ideal as a replaceme..

Model: K565.05

£6.46 Ex. VAT

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Knurled Dimmer Knob in Matt Bronze from Heritage Brass, KNU600.09 Diamond Knurled Knob

Knurled Dimmer Knob in Matt Bronze from Heritage Brass, KNU600.09 Diamond Knurled Knob

This is the M-Marcus KNU600.09 - a knurled dimmer knob in Matt Bronze as alternative to the plain po..

Model: KNU600.09

£9.40 Ex. VAT

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Knurled Dimmer Knob in Polished Brass from Heritage Brass, KNU600.01 Diamond Knurled Knob

Knurled Dimmer Knob in Polished Brass from Heritage Brass, KNU600.01 Diamond Knurled Knob

This is the M-Marcus KNU600.01 - a knurled dimmer knob in polished brass as alternative to the plain..

Model: KNU600.01

£9.40 Ex. VAT

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Knurled Dimmer Knob in Polished Chrome from Heritage Brass, KNU600.02 Diamond Knurled Knob

Knurled Dimmer Knob in Polished Chrome from Heritage Brass, KNU600.02 Diamond Knurled Knob

This is the M-Marcus KNU600.02 - a knurled dimmer knob in polished chrome as an alternative to the p..

Model: KNU600.02

£9.40 Ex. VAT

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Knurled Dimmer Knob in Satin Nickel from Heritage Brass, KNU600.05 Diamond Knurled Knob

Knurled Dimmer Knob in Satin Nickel from Heritage Brass, KNU600.05 Diamond Knurled Knob

This is the M-Marcus KNU600.05 - a knurled dimmer knob in Satin Nickel as alternative to the plain p..

Model: KNU600.05

£9.40 Ex. VAT

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Heritage Brass Satin Chrome Knob for Dimmer Switches, K565.03 Dimmer Knob

Heritage Brass Satin Chrome Knob for Dimmer Switches, K565.03 Dimmer Knob

This is the Heritage Brass K565.03 dimmer knob coming in a satin chrome finish. Ideal as a rep..

Model: K565.03

£6.46 Ex. VAT

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Heritage Brass Primed White Knob for Dimmer Switches, K565.PW Dimmer Knob

Heritage Brass Primed White Knob for Dimmer Switches, K565.PW Dimmer Knob

This is the Heritage Brass K565.PW dimmer knob coming in a primed white finish - paintable knob.&nbs..

Model: K565.PW

£6.46 Ex. VAT

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Heritage Brass Satin Brass Knob for Dimmer Switches, K565.04 Dimmer Knob

Heritage Brass Satin Brass Knob for Dimmer Switches, K565.04 Dimmer Knob

This is the Heritage Brass K565.04 dimmer knob coming in a satin brass finish. Ideal as a repl..

Model: K565.04

£6.46 Ex. VAT

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Heritage Brass Polished Chrome Knob for Dimmer Switches, K565.02 Dimmer Knob

Heritage Brass Polished Chrome Knob for Dimmer Switches, K565.02 Dimmer Knob

This is the Heritage Brass K565.02 dimmer knob coming in a polished chrome finish (shiny chrome). ..

Model: K565.02

£6.46 Ex. VAT

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Heritage Brass Polished Brass Knob for Dimmer Switches, K565.01 Dimmer Knob

Heritage Brass Polished Brass Knob for Dimmer Switches, K565.01 Dimmer Knob

This is the Heritage Brass K565.01 dimmer knob coming in a polished brass finish (shiny brass). ..

Model: K565.01

£6.46 Ex. VAT

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Forbes and Lomax Polished Chrome Dimmer Knob for Dimmer Switches

Forbes and Lomax Polished Chrome Dimmer Knob for Dimmer Switches

This is a polished chrome knob for dimmer switches - shiny chrome dimmer knob by Forbes & Lomax...

Model: KNOBCMIR

£9.50 Ex. VAT

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Forbes and Lomax Polished Brass Dimmer Knob for Dimmer Switches

Forbes and Lomax Polished Brass Dimmer Knob for Dimmer Switches

This is a polished brass knob for dimmer switches - shiny brass dimmer knob by Forbes & Lomax.&n..

Model: KNOBWLS

£9.50 Ex. VAT

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Heritage Brass Antique Brass Knob for Dimmer Switches, K565.91 Dimmer Knob

Heritage Brass Antique Brass Knob for Dimmer Switches, K565.91 Dimmer Knob

This is the Heritage Brass K565.91 dimmer knob coming in an antique brass finish.Note: this item com..

Model: K565.91

£6.46 Ex. VAT

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Forbes and Lomax Satin Silver Dimmer Knob for Dimmer Switches

Forbes and Lomax Satin Silver Dimmer Knob for Dimmer Switches

This is a satin silver knob for dimmer switches - satin silver dimmer knob by Forbes & Lomax.&nb..

Model: KNOBCBRU

£9.50 Ex. VAT

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Forbes and Lomax Unlacquered Brass Dimmer Knob for Dimmer Switches

Forbes and Lomax Unlacquered Brass Dimmer Knob for Dimmer Switches

This is a Unlacquered Brass knob for dimmer switches by Forbes & Lomax, ideal to match the Unlac..

Model: KNSMGUPB

£9.50 Ex. VAT

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Matt Black Dimmer Knob for Dimmer Switches, Heritage Brass K565.BK Knob

Matt Black Dimmer Knob for Dimmer Switches, Heritage Brass K565.BK Knob

This is a matt black dimmer knob for dimmer switches, part of the Matt Black range from Heritage Bra..

Model: K565.BK

£6.46 Ex. VAT

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Forbes and Lomax Brushed Brass Dimmer Knob for Dimmer Switches

Forbes and Lomax Brushed Brass Dimmer Knob for Dimmer Switches

This is a Brushed Brass knob for dimmer switches by Forbes & Lomax, ideal to match the Brushed B..

Model: KNSMGBB

£9.50 Ex. VAT

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Matt Bronze Dimmer Knob for Dimmer Switches, Heritage Brass K565.09 Knob

Matt Bronze Dimmer Knob for Dimmer Switches, Heritage Brass K565.09 Knob

This is a matt bronze dimmer knob for dimmer switches, part of the Matt Bronze range from Heritage B..

Model: K565.09

£6.46 Ex. VAT

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Forbes and Lomax Antique Bronze Dimmer Knob for Antique Bronze Dimmer Switches

Forbes and Lomax Antique Bronze Dimmer Knob for Antique Bronze Dimmer Switches

This is an antique bronze knob for dimmer switches by Forbes & Lomax, ideal to match the antique..

Model: KNSMGBRZ

£10.11 Ex. VAT

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Matt White Dimmer Knob for Dimmer Switches, Heritage Brass K565.MWH Knob

Matt White Dimmer Knob for Dimmer Switches, Heritage Brass K565.MWH Knob

This is a matt white dimmer knob for dimmer switches, part of the Matt White range from Heritage Bra..

Model: K565.MWH

£6.46 Ex. VAT

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Polished Bronze Dimmer Knob for Dimmer Switches, Heritage Brass K565.07 Knob

Polished Bronze Dimmer Knob for Dimmer Switches, Heritage Brass K565.07 Knob

This is a polished bronze dimmer knob for dimmer switches, part of the Polished Bronze range from He..

Model: K565.07

£6.46 Ex. VAT

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White Plastic Dimmer Knob for Dimmer Switches, Moulded White Knob

White Plastic Dimmer Knob for Dimmer Switches, Moulded White Knob

This is a white plastic knob for dimmer switches - moulded white dimmer knob.  Ideal as a..

Model: KNOBW

£1.50 Ex. VAT

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