Best Heater Parts & Accessories of 2026

Mohammed Clark Avatar
Mohammed Clark
Last Updated: 7 Feb 2026

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Heater parts and accessories are essential components for ensuring the efficient and safe operation of heating systems. These products range from replacement parts such as heating elements, thermostats, and fan blades to accessories like filters, ducts, and vents. They are designed to fit a wide range of heating systems, including electric, gas, and oil-fired heaters. By using high-quality heater parts and accessories, homeowners and businesses can ensure that their heating systems operate smoothly and efficiently, reducing energy costs and extending the life of the equipment.

At a Glance: Our Top Picks

Clearell 4L Clean Burn Paraffin Class 1 Cover #TOP 1
Clearell 4L Clean Burn Paraffin Class 1
ftb score rating icon 9.9
Bidex Diamond 500 Central Heating Kitchen Plinth Heater Cover #TOP 2
Bidex Diamond 500 Central Heating Kitchen Plinth Heater
ftb score rating icon 9.8
SPARES2GO Glass Opti-Myst Heater Disk Transducer RM-1220 Cover #TOP 3
SPARES2GO Glass Opti-Myst Heater Disk Transducer RM-1220
ftb score rating icon 9.6

Top 6 Heater Parts & Accessories

#TOP 1

Clearell 4L Clean Burn Paraffin Class 1

CLCBP4L-4LX1
Clear
Clearell 4L Clean Burn Paraffin Class 1 Cover
Clearell 4L | Pack of 1 x 4L | CLEAN BURN Premium Paraffin Class 1 Grade | BS2869 C1

The Clearell Clean Burn Paraffin is a versatile and safe fuel option. Its CLEAN BURN+ formulation ensures it burns cleanly, minimising harmful emissions, which is beneficial for both your health and the environment. You will appreciate its low sulphur content and high smoke point, making it economical for various uses. Additionally, the paraffin is packaged in easy-to-lift containers, allowing for simple pouring and handling. With a long shelf life, this product is perfect for those who value convenience and efficiency in their hydroponic needs.

What We Like
Clean-burning and low sulphur
High smoke point for efficiency
Easy to lift and pour
Long shelf life
Fully compliant with standards
#TOP 2

Bidex Diamond 500 Central Heating Kitchen Plinth Heater

Bidex500 + Stainless Grill
Stainless Steel
Bidex Diamond 500 Central Heating Kitchen Plinth Heater Cover
Bidex Diamond 500 Central Heating Kitchen Plinth Heater: Stainless Steel Grille, Under cupboard heater

The Bidex Diamond 500 Heater is an efficient fan convector that runs off your central heating system, making it up to 24% more efficient and cheaper to operate than standard electric heaters. It offers excellent control with a quiet two-speed fan and can switch on and off automatically with your central heating, or be used manually when you want extra warmth. Its sleek design fits neatly under a 500mm wide kitchen cabinet, saving you wall space and giving you more room for storage. This heater is ideal for warming rooms up to 30 square metres comfortably.

What We Like
More efficient than standard radiators
Quiet two-speed fan control
Fits under kitchen cabinets
Can run automatically or manually
#TOP 3

SPARES2GO Glass Opti-Myst Heater Disk Transducer RM-1220

RM-1220
Silver
SPARES2GO Glass Opti-Myst Heater Disk Transducer RM-1220 Cover
SPARES2GO Glass Opti-Myst Heater Disk Transducer RM-1220 Compatible with Dimplex Electric Wall Fire

The SPARES2GO RM-1220 Transducer is a vital component for your Dimplex Opty Mist Electric Wall Fire. It comes with a glass disk, ready to use, ensuring that your unit produces a beautiful mist. This transducer fits a variety of Dimplex models, providing versatility for different setups. If your fire has stopped producing mist or cuts off unexpectedly, replacing the transducer could solve these issues, enhancing your overall experience. With an approximate lifespan of 1000 hours, this product offers long-term reliability for your heating needs.

What We Like
Includes ready-to-use glass disk
Compatible with multiple Dimplex models
Solves mist production issues
Long lifespan of 1000 hours
#TOP 4

FATIVO 92cm High Radiator Cover with Shelves

XJJ676
White
FATIVO 92cm High Radiator Cover with Shelves Cover
FATIVO High Radiator Cover Wood Cabinet: External 92cm Height White Medium Heater Covers Internal Heights 90cm Horizontal Slats Modern Tall Radiator Shelf Thicken MDF Wooden Kitchen Bedroom

The FATIVO Radiator Cover offers a stylish and practical solution for high radiators. Standing at 92cm, it provides ample height options and comes in multiple sizes to fit your space. Its modern white finish enhances your home décor while serving as a functional shelf for displaying books or plants. Additionally, the durable MDF construction ensures longevity, making it a valuable addition to your living room or bedroom. This cover not only improves aesthetics but also helps in reducing heat loss, keeping your home cosy.

What We Like
Stylish modern design
Multiple size options available
Durable and sturdy materials
Functional shelf space
#TOP 5

Paxanpax PSA691 Water Container Lid Cap

PSA691
Orange
Paxanpax PSA691 Water Container Lid Cap Cover
Paxanpax PSA691 Lid Cap for Water Container Bottle for Dimplex Optimyst Series Fireplaces, 170D x 30W x 60H millimetres, Orange

The Paxanpax Water Container Cap is designed specifically for Dimplex Optimyst Series fireplaces. This lid cap ensures that your water container remains securely covered, providing peace of mind while you enjoy the warmth of your fireplace. Its dimensions of 170D x 30W x 60H millimetres make it a perfect fit, ensuring compatibility with your existing setup. With this product, you can maintain the efficiency of your fireplace by preventing water evaporation, allowing for a more enjoyable experience.

What We Like
Compatible with Dimplex fireplaces
Secures water container effectively
Prevents water evaporation
Easy to fit and use
#TOP 6

Dimplex Electric Bathroom Heater Pull Switch Cord

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White
Dimplex Electric Bathroom Heater Pull Switch Cord Cover
Dimplex Downflow Bathroom Electric Heater Pull Switch Rope Cord

The Dimplex Pull Switch Cord is a genuine replacement part designed specifically for the Dimplex FH20 series, FX20, FX20E, and FX20V series heaters. With a convenient length of 60 cm, this pull switch cord allows you to easily operate your heater from a comfortable distance. It ensures reliable performance, giving you peace of mind that your heating system will work efficiently. By using this original Dimplex part, you can maintain the functionality and safety of your bathroom heater, making it a practical choice for any household.

What We Like
Genuine Dimplex replacement part
Compatible with multiple models
Convenient 60 cm length
Easy to operate
Ensures reliable performance
Buying Guide Image
Editor's Notes

During our heater parts & accessory research, we found 187 heater parts & accessory products and shortlisted 6 quality products. We collected and analyzed 12,057 customer reviews through our big data system to write the heater parts & accessories list. We found that most customers choose heater parts & accessories with an average price of £20.00.

The heater parts & accessories are available for purchase. We have researched hundreds of brands and picked the top brands of heater parts & accessories, including Clearell, Bidex, Spares2go, FATIVO, Paxanpax.

Written by
Mohammed Clark Avatar

Mohammed Clark is an architect and a contractor. His architectural skills are not limited to designing the plan for structures alone, but it extends to aesthetics and home décor. Before establishing his firm, he worked under a construction firm for eight years. Mohammed has gathered enough experience from his time practicing as a professional architect and now has vast knowledge in home designs and aesthetics.