Fan-and-Limit-Thermostat-Switch

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In: Helpful Information, HVAC

There are two main types of temperature switches used in HVAC systems, fan switches and limit switches. Senasys currently only manufactures a duct limit switch, and we are in the research and development phase for a duct fan and limit control. Our duct limit switch responds to a change in temperature, opens the circuit shutting down (limit) the equipment. For more information about our duct limit switch, click here. Click here to speak with our direct technical support. Duct Limit Switches Senasys duct limit switches are commonly found in HVAC air duct systems. When warm air is flowing through the air duct, the limit switch’sRead More →

Firestat Duct High Limit Cross Reference Part Index, Kele, Johnson Controls, 5D51-35, 5D51-90, 5D51-78, L4064, A25 Johnson Controls

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Duct Limit Switch Product Guide Click here to purchase a Firestat unit today! We decided to upload this table giving our customers the accessibility to a cross reference of our duct limit switches with other models including White Rodgers, Honeywell, and Johnson Controls. Our duct limit switches listed are comparative to a couple of the top competitors if not identical. Pricing listed is Retail, contact us for larger quantity pricing and availability. Duct limit switches are installed in air ducts to shut down heating, air conditioning and ventilation equipment when air temperature in duct exceeds a pre-set limit.  The high limit firestats have a temperature range of 100°F to 250°FRead More →