Grant Pressure Switch Spira Wps111

Grant Pressure Switch Spira Wps111

Grant Pressure Switch – WPS111

Part Number: WPS111
Genuine Pressure Switch for Grant Spira Biomass Boilers

The Grant WPS111 Pressure Switch is a critical component designed to ensure safe and efficient operation of Grant Spira biomass boilers. This OEM part continuously monitors air or combustion pressure levels within the system, ensuring proper airflow and safe burner operation. If unsafe pressure conditions are detected, the switch will shut down the system to prevent damage or hazardous situations.

Built for durability and precision, the WPS111 is a must-have for maintaining the correct operating parameters in your biomass boiler—making it ideal for both heating engineers and competent DIY installers.

 Key Features & Benefits

•  OEM Grant Component – Engineered to exact factory specifications

•  Reliable Pressure Monitoring – Ensures proper combustion airflow

•  Essential Safety Feature – Triggers shutdown under unsafe conditions

•  Easy Installation – Direct-fit replacement for Grant Spira systems

•  Supports System Diagnostics – Useful for fault-finding and maintenance

 Compatible Grant Boiler Models

• Grant Spira 5kW

• Grant Spira 9kW

• Grant Spira 18kW

• Grant Spira 26kW

• Grant Spira 36kW

 Always check your boiler's model and part list to confirm compatibility.

When to Replace the WPS111 Pressure Switch

• Boiler fails to ignite or shuts off during operation

• Pressure-related fault codes or warning lights

• During major service intervals or when replacing associated fan/air components

• Audible signs of poor combustion or irregular air draw

Technical Specifications

• Part Number: WPS111

• Function: Air pressure monitoring and safety cut-out

• Application: Biomass combustion and ventilation system

• Mounting: Direct-fit OEM part

• Manufacturer: Grant Engineering