Grant Low Limit Switch Spira Wps164

Grant Low Limit Switch Spira Wps164

Grant Low Limit Switch – WPS164

Part Number: WPS164
Genuine Low Limit Temperature Switch for Grant Spira Biomass Boilers

The Grant WPS164 Low Limit Switch is an essential safety component designed for use with Grant Spira biomass boilers. This thermostat-style switch monitors the boiler’s temperature and activates or shuts off systems when preset safety limits are reached—preventing overcooling and safeguarding system performance.

Perfect for heating engineers and DIY users alike, this genuine Grant component helps ensure your boiler’s efficient and safe operation, particularly in colder operating conditions or where system performance is critical.

Key Features & Benefits

•  OEM Part – Genuine Grant replacement for reliability and long-term performance

•  Automatic Temperature Monitoring – Protects against low-temperature conditions

•  Simple Installation – Quick-fit compatible with Grant Spira models

•  Restores Safety Functions – Essential for safe system operation and peace of mind

•  Built for Biomass – Durable and designed specifically for pellet boiler environments

Compatible Grant Boiler Models

• Grant Spira 5kW

• Grant Spira 9kW

• Grant Spira 18kW

• Grant Spira 26kW

• Grant Spira 36kW

 Always verify with your boiler's manual or serial number to ensure part compatibility.

When to Replace the WPS164 Low Limit Switch

• Boiler fails to start or shuts down due to temperature safety lockout

• Fluctuations or instability in combustion or auger operation

• Visible damage, wear, or corrosion on the existing switch

• During scheduled system servicing or if troubleshooting ignition issues

Technical Specifications

• Part Code: WPS164

• Function: Low temperature safety cut-out switch

• Type: Thermostatic limit switch

• Application: Grant Spira biomass boilers

• Installation: Plug-in replacement with compatible housing