Spares & Accessories for Cast Iron Radiators

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Displaying all cast iron radiator accessories

Bleed Valve Replacement Kit With Tap Wrench

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£45.00 exc VAT

Bleed Valve Replacement Kit With Tap Wrench

NEW! Kit contains everything required to remove and replace an old bleed valve from reclaimed cast iron radiators.
Click for more information.

Bleed Valve Replacement Kit Without Tap Wrench

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£32.00 exc VAT

Bleed Valve Replacement Kit Without Tap Wrench

NEW! Kit contains everything required to remove and replace an old bleed valve from reclaimed cast iron radiators.
Click for more information.

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£4.50 exc VAT

Key Vented ¼" BSP Brass Bleed Valve

Will fit female thread of 13mm inside diameter. Standard right hand thread.

Key vented ½"BSP brass bleed valve

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£5.50 exc VAT

Key vented ½"BSP brass bleed valve

Will fit female thread of 21mm inside diameter. Standard right hand thread.

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£3.50 exc VAT

Key Vented ⅛" BSP Brass Bleed Valve

Will fit female thread of 10mm inside diameter. Standard right hand thread.

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£2.50 exc VAT

Standard ⅛" BSP Brass Bleed Valve

Will fit female thread of 10mm inside diameter. Standard right hand thread.

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£3.50 exc VAT

Standard ⅛" BSP Chrome Bleed Valve

Will fit female thread of 10mm inside diameter. Standard right hand thread.

Screw Decorator's Cap

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£9.00 exc VAT

Screw Decorator's Cap

Use to completely close Chopin and Chatsworth thermostatic radiator valves.

White Plastic Decorator's Cap

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£2.00 exc VAT

White Plastic Decorator's Cap

Use to completely close all thermostatic radiator valves except Chopin and Chatsworth models.

1¼" BSP Silicone Gasket

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£0.50 exc VAT

1¼" BSP Silicone Gasket

1¼" BSP gaskets is the correct size for Castrads' King 768 and 5 Column models. 1½" BSP is a more common size for both reproduction and reclaimed cast iron radiators.

1½" BSP Silicone Gasket

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£0.50 exc VAT

1½" BSP Silicone Gasket

1½" BSP is the correct size for all Castrads cast iron radiators except 5 Column and King 768, which use 1¼" BSP gaskets. 1½" BSP also fits reclaimed 4 column cast

Electric Heating Element - 1200 Watts

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£105.00 exc VAT

Electric Heating Element - 1200 Watts

Electric heating element for cast iron radiators. 460mm long.

Electric Heating Element - 1500 Watts

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£110.00 exc VAT

Electric Heating Element - 1500 Watts

Electric heating element for cast iron radiators. 505mm long.

Electric Heating Element - 2000 Watts

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£115.00 exc VAT

Electric Heating Element - 2000 Watts

Electric heating element for cast iron radiators. 560mm long.

Electric Heating Element - 900 Watts

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£100.00 exc VAT

Electric Heating Element - 900 Watts

Electric heating element for cast iron radiators. 430mm long.

1¼" BSP Jointing Nipple

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£2.00 exc VAT

1¼" BSP Jointing Nipple

Left hand thread one side, right hand thread the other. Requires a silicone gasket to form a watertight seal. Use to join cast iron radiator sections together.
1¼" BSP will only fit Castrads 5 Column and King 768 models.

1½" BSP Jointing Nipple

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£2.00 exc VAT

1½" BSP Jointing Nipple

Left hand thread one side, right hand thread the other. Requires a silicone gasket to form a watertight seal. Use to join cast iron radiator sections together.
1½" BSP is the correct size for most cast iron radiators except Castrads 5 Column and King 768 models.

¼" BSP Black Iron Blanking Plug

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£2.00 exc VAT

¼" BSP Black Iron Blanking Plug

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

½" BSP Black Iron Blanking Plug

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£3.00 exc VAT

½" BSP Black Iron Blanking Plug

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

¾" BSP Black Iron Blanking Plug

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£3.50 exc VAT

¾" BSP Black Iron Blanking Plug

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

¾" BSP to ¼" BSP Black Iron Reducing Bush

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£4.50 exc VAT

¾" BSP to ¼" BSP Black Iron Reducing Bush

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

¾" BSP to ½" BSP Brass Reducing Bush

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£2.50 exc VAT

¾" BSP to ½" BSP Brass Reducing Bush

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

¾" BSP to ⅛" BSP Black Iron Reducing Bush

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£5.00 exc VAT

¾" BSP to ⅛" BSP Black Iron Reducing Bush

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

1¼" BSP Black Iron Blanking Plug

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£4.50 exc VAT

1¼" BSP Black Iron Blanking Plug

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

1¼" BSP Blanking Plug (End Cap)

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£4.00 exc VAT

1¼" BSP Blanking Plug (End Cap)

Right hand thread only. Cast iron. Requires a silicone gasket to form a watertight seal.
Not suitable for reclaimed radiators

1¼" BSP to ¼" BSP Black Iron Reducing Bush

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£7.50 exc VAT

1¼" BSP to ¼" BSP Black Iron Reducing Bush

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

1¼" BSP to ½" BSP <em>Left Hand Thread</em> Reducing Bush

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£4.00 exc VAT

1¼" BSP to ½" BSP Left Hand Thread Reducing Bush

Cast iron. Requires a silicone gasket to form a watertight seal. Not suitable for reclaimed radiators.

1¼" BSP to ½" BSP <em>Right Hand Thread</em> Reducing Bush

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£4.00 exc VAT

1¼" BSP to ½" BSP Right Hand Thread Reducing Bush

Cast iron. Requires a silicone gasket to form a watertight seal.Not suitable for reclaimed radiators.

1¼" BSP to ½" BSP Black Iron Reducing Bush

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£6.50 exc VAT

1¼" BSP to ½" BSP Black Iron Reducing Bush

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

1¼" BSP to ¾" BSP Black Iron Reducing Bush

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£7.00 exc VAT

1¼" BSP to ¾" BSP Black Iron Reducing Bush

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

1¼" BSP to ⅛" BSP Cast Iron Reducing Bush

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£4.00 exc VAT

1¼" BSP to ⅛" BSP Cast Iron Reducing Bush

Left hand thread only. Cast iron. Requires a silicone gasket to form a watertight seal.
Use with a standard ⅛" bleed valve to form a bleed bush.

1½" BSP <em>Left Hand Thread</em> Blanking Plug (End Cap)

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£4.00 exc VAT

1½" BSP Left Hand Thread Blanking Plug (End Cap)

Left hand thread. Cast iron. Requires a silicone gasket to form a watertight seal.
Not suitable for reclaimed radiators

1½" BSP Black Iron Blanking Plug

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£6.50 exc VAT

1½" BSP Black Iron Blanking Plug

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

1½" BSP Right Hand Thread Blanking Plug (End Cap)

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£4.00 exc VAT

1½" BSP Right Hand Thread Blanking Plug (End Cap)

Right hand thread. Cast iron. Requires a silicone gasket to form a watertight seal.
Not suitable for reclaimed radiators

1½" BSP to ¼" BSP Black Iron Reducing Bush

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£12.50 exc VAT

1½" BSP to ¼" BSP Black Iron Reducing Bush

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

1½" BSP to ½" BSP <em>Right Hand Thread</em> Reducing Bush

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£4.00 exc VAT

1½" BSP to ½" BSP Right Hand Thread Reducing Bush

Cast iron. Requires a silicone gasket to form a watertight seal. Not suitable for reclaimed cast iron radiators.

1½" BSP to ½" BSP Black Iron Reducing Bush

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£7.50 exc VAT

1½" BSP to ½" BSP Black Iron Reducing Bush

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

1½" BSP to ½" BSP Left Hand Thread Cast Iron Reducing Bush

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£4.00 exc VAT

1½" BSP to ½" BSP Left Hand Thread Cast Iron Reducing Bush

Cast iron. Requires a silicone gasket to form a watertight seal. Not suitable for reclaimed cast iron radiators.

1½" BSP to ¾" BSP <em>Right Hand Thread</em> Reducing Bush

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£4.00 exc VAT

1½" BSP to ¾" BSP Right Hand Thread Reducing Bush

Cast iron. Requires a silicone gasket to form a watertight seal. Not suitable for reclaimed radiators.

1½" BSP to ¾" BSP Black Iron Reducing Bush

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£8.50 exc VAT

1½" BSP to ¾" BSP Black Iron Reducing Bush

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

1½" BSP to ⅛" BSP Cast Iron Reducing Bush

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£4.00 exc VAT

1½" BSP to ⅛" BSP Cast Iron Reducing Bush

Left hand thread only. Cast iron. Requires a silicone gasket to form a watertight seal.
Use with a standard ⅛" bleed valve to form a bleed bush. Not suitable for reclaimed cast iron radiators.

1" BSP Black Iron Blanking Plug

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£4.00 exc VAT

1" BSP Black Iron Blanking Plug

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

1" BSP to ¼" BSP Black Iron Reducing Bush

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£5.50 exc VAT

1" BSP to ¼" BSP Black Iron Reducing Bush

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

1" BSP to ½" BSP Black Iron Reducing Bush

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£3.50 exc VAT

1" BSP to ½" BSP Black Iron Reducing Bush

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

1" BSP to ¾" BSP Black Iron Reducing Bush

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£4.00 exc VAT

1" BSP to ¾" BSP Black Iron Reducing Bush

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

2½" BSP Black Iron Blanking Plug

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£16.00 exc VAT

2½" BSP Black Iron Blanking Plug

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

2½" BSP to ½" BSP Black Iron Reducing Bush

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£21.50 exc VAT

2½" BSP to ½" BSP Black Iron Reducing Bush

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

2" BSP Black Iron Blanking Plug

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£11.00 exc VAT

2" BSP Black Iron Blanking Plug

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

2" BSP to ½" BSP Black Iron Reducing Bush

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£14.50 exc VAT

2" BSP to ½" BSP Black Iron Reducing Bush

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

2" BSP to ¾" BSP Black Iron Reducing Bush

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£15.50 exc VAT

2" BSP to ¾" BSP Black Iron Reducing Bush

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

2" BSP to 1¼" BSP Black Iron Reducing Bush

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£12.50 exc VAT

2" BSP to 1¼" BSP Black Iron Reducing Bush

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

2" BSP to 1½" BSP Black Iron Reducing Bush

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£11.50 exc VAT

2" BSP to 1½" BSP Black Iron Reducing Bush

Tapered thread, ideal for use with reclaimed cast iron radiators. Right hand thread only.

LSX Sealant

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£5.75 exc VAT

LSX Sealant

Highly recommended for connecting valves to radiators. Far superior to PTFE tape.

All Castrads' Cast Iron Radiators are supplied as a sealed unit.

This includes bleed valve, end bushes and ½" BSP Reducing Bushes.

Need some help?

Call Castrads direct on 0161 2970015
We're more than happy to help!

BSP Size, Inches	Outside diameter, mm
⅛	10
¼	13
½	21
¾	27
1	33
1¼	42
1½	48
2	60
2½	73
3	89

Can't see the sizes you need?

Castrads stocks a large range of odd sizes, and can get hold of lots of different types of end bushes, fibre gaskets, reducing bushes and more.

Call us now on
0161 2970015 - we're sure we'll be able to find what you're looking for.

Castrads stocks steel blanking plugs, cold steel and brass reducing bushes in a large variety of sizes.

Castrads also supplies assembly tools for cast iron radiators. Please call to discuss sizing options.

Cast Iron Radiators

Ornate radiators

Column radiators

School radiators

Click on a model above for more details on Castrads' other cast iron radiators

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About Castrads

Based near Manchester, Castrads is one of the UK's largest importers of traditional reproduction radiators.

All cast iron radiators are assembled on site to our clients' exact specifications, then pressure tested, painted and finally baked at 100°C to harden the paint finish. We always aim to complete this process in 7 days, the shortest lead time in the industry as far as we're aware.

We have showrooms in South London, Rugby (Warwickshire) and Frome (Somerset), as well as the main showroom in Woodford, Cheshire. Please give us a call on 0161 2970015 to arrange an appointment.

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