Grant Black Neoprene Gasket Fks92 Vortex Pro 15- 26Kw

Flue Spigot

Grant Black Neoprene Gasket – FKS92

Genuine Flue Seal Gasket for Grant Vortex Pro 15–26kW Boilers

The Grant FKS92 Black Neoprene Gasket is a genuine flue sealing gasket designed specifically for use with Grant Vortex Pro Internal and External oil boilers rated 15–26kW. This gasket provides a secure, heat- and weather-resistant seal between flue system components, preventing leaks of combustion gases and ensuring efficient, safe boiler operation.

Crafted from durable black neoprene, the FKS92 offers excellent resistance to heat, moisture, and flue gas by-products, making it an essential replacement part during boiler maintenance, flue inspection, or component upgrades.

Key Features & Benefits

• Official Grant Part – FKS92
  OEM-quality gasket for accurate fit and long-lasting performance.

• High-Temperature Neoprene Material
  Resistant to heat, condensate, and acidic flue gases—ideal for condensing boiler systems.

• Provides Reliable Air-Tight Seal
  Prevents escape of combustion gases and maintains system efficiency.

• Designed for 15–26kW Boilers
  Engineered to match flue assembly dimensions for Grant Vortex Pro models in this output range.

• Weather-Resistant for External Use
  Suitable for internal and external boiler installations—won’t degrade in damp or outdoor conditions.

• Quick & Easy to Fit
  Perfect for servicing or repairs—direct replacement with no cutting or trimming required.

 Compatible Grant Boiler Models

The FKS92 Neoprene Gasket is compatible with the following Grant Vortex Pro boiler models:

• Grant Vortex Pro Internal 15–26kW

• Grant Vortex Pro External 15–26kW

• Also compatible with selected horizontal and high-level flue kits using neoprene gasketed seals in this output range

Not sure if this fits your boiler? Contact our team with your model or serial number and we’ll confirm compatibility.

 When Should You Replace the FKS92 Gasket?

Replace the FKS92 if:

• The original gasket shows cracks, flattening, or signs of wear

• You're performing a flue component replacement or boiler flue service

• You notice leaks, odours, or inefficiency due to a compromised flue seal

• The gasket has been damaged during disassembly or inspection

Regular inspection and timely replacement of neoprene gaskets is vital for safety, efficiency, and compliance with building regulations.

Technical Specifications

• Part Number: FKS92

• Manufacturer: Grant UK

• Type: Neoprene flue seal gasket

• Material: High-grade black neoprene

• Temperature Resistance: Suitable for high-temperature flue systems (up to 120–150°C approx.)

• Application: Seal for flue joints on Grant Vortex Pro 15–26kW boilers

• Compatibility: Horizontal, vertical, and high-level flue systems (model-specific)

• Installation: Push-fit or clamped between flue components