GeneralAire 12500 Fan Sensing Switch
Ā
GeneralAire 12500 Fan Sensing Switch
Ā
- 12500 / 7021 GeneralAire Fan Sensing Switch
- For installation on any forced air heating and cooling system
- The Air Pressure Switch is designed to control Humidifier operation by sensing changes in air pressure within the furnace plenums when the furnace is in operation.
- The Air Pressure Switch can be actuated by a positive pressure, negative pressure or a differential pressure of .05ā³ W C or more.
- The Air Pressure Switch contains normally open single throw contacts to supply 120V A C to the humidifier or humidifier transformer when the furnace blower runs.
Breathe easy with theĀ PureFilters Promise
Clean indoor airĀ is essential to our well-being, and Canadians deserve a company that offers productsĀ to help them live a healthier life.Ā PureFilters was founded withĀ one mission -Ā to help Canadians enjoy clean andĀ healthyĀ indoor air at an affordable price.Ā
From quality products to hassle-free returns,Ā to superior customer service - our team at PureFiltersĀ is ready to help you with your order. Feel free toĀ contact usĀ via live chat, or email us atĀ support@purefilters.ca if you need help with your order.
Ā
Product Information
Product Information
Shipping & Returns
Shipping & Returns

GeneralAire 12500 Fan Sensing Switch
GeneralAire 12500 Fan Sensing Switch
Ā
GeneralAire 12500 Fan Sensing Switch
Ā
- 12500 / 7021 GeneralAire Fan Sensing Switch
- For installation on any forced air heating and cooling system
- The Air Pressure Switch is designed to control Humidifier operation by sensing changes in air pressure within the furnace plenums when the furnace is in operation.
- The Air Pressure Switch can be actuated by a positive pressure, negative pressure or a differential pressure of .05ā³ W C or more.
- The Air Pressure Switch contains normally open single throw contacts to supply 120V A C to the humidifier or humidifier transformer when the furnace blower runs.
Breathe easy with theĀ PureFilters Promise
Clean indoor airĀ is essential to our well-being, and Canadians deserve a company that offers productsĀ to help them live a healthier life.Ā PureFilters was founded withĀ one mission -Ā to help Canadians enjoy clean andĀ healthyĀ indoor air at an affordable price.Ā
From quality products to hassle-free returns,Ā to superior customer service - our team at PureFiltersĀ is ready to help you with your order. Feel free toĀ contact usĀ via live chat, or email us atĀ support@purefilters.ca if you need help with your order.
Ā
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Ā
GeneralAire 12500 Fan Sensing Switch
Ā
- 12500 / 7021 GeneralAire Fan Sensing Switch
- For installation on any forced air heating and cooling system
- The Air Pressure Switch is designed to control Humidifier operation by sensing changes in air pressure within the furnace plenums when the furnace is in operation.
- The Air Pressure Switch can be actuated by a positive pressure, negative pressure or a differential pressure of .05ā³ W C or more.
- The Air Pressure Switch contains normally open single throw contacts to supply 120V A C to the humidifier or humidifier transformer when the furnace blower runs.
Breathe easy with theĀ PureFilters Promise
Clean indoor airĀ is essential to our well-being, and Canadians deserve a company that offers productsĀ to help them live a healthier life.Ā PureFilters was founded withĀ one mission -Ā to help Canadians enjoy clean andĀ healthyĀ indoor air at an affordable price.Ā
From quality products to hassle-free returns,Ā to superior customer service - our team at PureFiltersĀ is ready to help you with your order. Feel free toĀ contact usĀ via live chat, or email us atĀ support@purefilters.ca if you need help with your order.
Ā











