Not all Bulbs, Probes and Capillary Tubes use a fluid fill, some use a gas. There are a large number of different fluids and gases used. This is based on: What material is being sensed for temperature Temperature range of…

STEMCO Capillary Switches are Temperature Compensated
STEMCO, a division of Senasys, Capillary Switches stand out from other capillary switch manufacturer’s because they are temperature compensated. A capillary switch should be temperature compensated to adjust the switch’s performance when changes in temperature occur. For instance, a capillary…

Senasys Capillary Diaphragms 100% Tested and Inspected
Our different test procedures include pressure testing the capillary, stressing the diaphragm assembly over a period of time, multiple temperature tests. These numerous procedures will tell us if a leak in the capillary / diaphragm assembly exists. Once the testing…

Thermostats Used in Household Appliances
Coffee Makers Use Capillary Thermostats Did you know that one of our switches could be used to make that cup of coffee you are drinking every morning? Well, now you do. I am going to get you a little insight…

Capillary Thermostat Mounting Options
Senasys’ capillary thermostats are easily installed into equipment. The capillary thermostat is available with a bottom mounting bracket that is assembled to the switch, or upon installation. To assemble the bottom bracket hardware, shown below, to a capillary thermostat, follow…

Temperature Switches for HVAC Systems
Senasys manufacturers a large variety of temperature switches for HVAC systems: Bi-metal temperature switches Bulb and capillary thermostats Mechanical line voltage thermostats Temperature switches found in HVAC systems are typically mechanical controls that are based on physics. More times than…

Adjustable Temperature Switches
Senasys, a leading sensor and switch manufacture, provides a variety of adjustable temperature switches for monitoring and controlling different heating elements. Duct Limit Control Bulb and Capillary Temperature Switches Line Voltage Thermostats Electronic Temperature Control Our adjustable temperature switches are…

Capillary Switch Cross Reference Guide
As an easy guide, here’s a simple selection guide to help find a capillary switch. If you have one of the series or part numbers listed below, simply match it to our series. Give us a call for for more information. Senasys supplies…

Capillary and Snap Disc Thermostat Switch Control and Limit
Some may say that Capillary and Bimetal Snap Disc style thermostats are old technologies. Many of today’s machines use a digital temperature sensor to control the heating or cooling device, such as a chiller or heating element. We manufacture a…

Capillary Switch Controls Deep Fryer’s Heat Elements
In a deep fryer a single or double capillary type thermostat may be used. The bulb portion of the capillary is made of Stainless steel, or a plated copper, and is immersed directly into the fluid being heated. One capillary…