Grant External Auger Motor Wps168 Spira

Grant External Auger Motor Wps168 Spira

Grant External Auger Motor – WPS168

Part Number: WPS168
Genuine Replacement Component for Grant Spira Biomass Boilers

The Grant WPS168 External Auger Motor is a factory-original motor assembly designed for seamless pellet feed operation in Grant Spira biomass boilers. Built to withstand continuous use and challenging boiler room conditions, this motor reliably drives the external auger mechanism, ensuring consistent fuel delivery from the pellet store to the burner.

Whether you're maintaining performance or replacing a worn-out drive unit, the WPS168 offers trusted Grant quality and compatibility. Perfect for installers, service engineers, or DIY boiler owners looking for a durable and straightforward replacement.

Key Features & Benefits

•  Genuine Grant Part – OEM quality for peace of mind and performance

•  Ensures Smooth Pellet Delivery – Critical for stable combustion and efficiency

•  Pre-assembled for Easy Installation – Reduces service time on-site

•  Robust Construction – Engineered for long life in demanding boiler environments

•  Direct Fit for Compatible Models – No modifications or adaptors required

Compatible Boiler Models

• Grant Spira 9kW

• Grant Spira 18kW

• Grant Spira 26kW

• Grant Spira 36kW

 Confirm boiler model and serial number to ensure compatibility before ordering.

When to Replace the External Auger Motor

• Auger feed fails to start or intermittently stalls

• Audible grinding, humming or overheating from the existing motor

• Pellet feed interruptions or burner fuel starvation

• As part of scheduled burner servicing or annual maintenance

Technical Specifications

• Part Number: WPS168

• Function: Drives external auger feed mechanism

• Application: Biomass pellet delivery system

• Compatible Range: Grant Spira 9–36kW biomass boilers

• Mounting: Pre-configured bracket and connector system

• Manufacturer: Grant Engineering UK