Duct Limit Switch Archives

Duct Limit Switches – Choosing the Correct Bimetal LengthDuct Limit Switches – Choosing the Correct Bimetal Length

June 28, 2022 Chloe Peterson 0 Comment

Choosing the correct bimetal length for duct limit switches is actually quite easy but very important. Choosing the wrong probe length can cause your switch to not function properly when [...]

How Does A Firestat Work?How Does A Firestat Work?

September 22, 2021 Firestat-Admin 0 Comment

These Firestat duct fan and limit switches are installed in air ducts to shut down heating, air conditioning and ventilation equipment when air temperature exceeds a pre-set limit. Our CEMCO [...]

TC Duct Limit Switches, by CEMCOTC Duct Limit Switches, by CEMCO

September 30, 2019 Firestat-Admin 0 Comment

Senasys acquired the CEMCO TC duct limit switch product line in 2014. Many of our other switching products sense air or surface temperature making this product line fit well within [...]

How to Adjust Your TC Temperature SwitchHow to Adjust Your TC Temperature Switch

September 11, 2019 Firestat-Admin 0 Comment

The TC duct limit temperature switch line manufactured by Senasys is an adjustable temperature switch that is a great solution for HVAC systems. Adjusting the switch is simple: Remove the [...]

Differences Between Limit Switches and Fan SwitchesDifferences Between Limit Switches and Fan Switches

August 5, 2019 Firestat-Admin 0 Comment

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 [...]

Plenum-Mount Duct Limit Switch Bi-Metal Element LengthPlenum-Mount Duct Limit Switch Bi-Metal Element Length

July 12, 2019 Firestat-Admin 0 Comment

When mounting a duct limit switch, it’s best if the bi-metal element reaches the middle of the air duct. The air in the middle of the duct is often a [...]

Best Temperature Switch for HVAC IndustryBest Temperature Switch for HVAC Industry

August 10, 2018 Firestat-Admin 0 Comment

Senasys manufacturers a large variety of temperature switches for HVAC systems: Bi-metal temperature switches Bulb and capillary thermostats Mechanical line voltage thermostats Switches found in HVAC systems are mechanical controls [...]

Duct High Limit Switches Control Exhaust FansDuct High Limit Switches Control Exhaust Fans

July 10, 2018 Firestat-Admin 0 Comment

Many buildings require a high limit switch to prevent spread of fire or smoke. If the building uses an exhaust fan to maintain cooling, many building inspectors will require a [...]

How to Install A Firestat in your HVAC SystemHow to Install A Firestat in your HVAC System

February 12, 2018 Firestat-Admin 0 Comment

Installed in air ducts worldwide, Firestat duct controls shut down HVAC equipment when air temperature exceeds a pre-set limit. Firestat switches are indispensable in specialized HVAC applications and Building Automation [...]

Duct Limit Control Senses Temperature in Dryer | FirestatDuct Limit Control Senses Temperature in Dryer | Firestat

April 26, 2017 Firestat-Admin 0 Comment

A duct limit control is commonly used in HVAC systems to detect air temperature inside a duct. Although, these temperature controls can also be found in grain dryers. The duct [...]

Tag: Duct Limit Switch