Application Notes

Heater Limit Switch
A heater limit switch is used to prevent a heater from reaching dangerous temperatures. While the purpose of a heater is to warm up an area, it is possible for a heater to get too hot. When this happens, this can cause a fire hazard. Luckily, that’s what a heater […]

Sauna Limit Switch
A Senasys manual reset switch works great as a sauna limit switch. Saunas use a heater, but it is possible for a heater to get too hot. When this happens, internal components can get damaged, which can result in expensive repairs. Luckily, there’s a way to have the heater shut […]

Manual Reset Thermostat Switch Limits Food Equipment
Senasys designs and manufactures a variety of manual reset thermostat switches to function as a limit (contacts open on temperature rise) to shut down a piece of equipment. These thermostats are commonly found in food and beverage equipment, such as hot beverage dispensers. Each piece of equipment has a control, […]

Fan and Limit Electronic Temperature Controller
Electronic Temperature Controller – Fan and Limit Senasys often receives temperature sensing requests for close on temperature rise (fan) and open on temperature rise (limit) applications. In the past we recommend using two snap disc thermostat switches – one to close on temperature rise and the other to open. As […]

Firestat Duct Limit Control Installed in HVAC Duct
Building Codes for Smoke or Fire in HVAC Ducting “A building code, or building control, is a set of rules that specify the minimum standards for constructed objects such as buildings and non-building structures. The main purpose of building codes are to protect public health, safety and general welfare as they relate to the construction […]