The main safety benefit of installing a Firestat limit switch into your duct system is to prevent the spread of fire and smoke in the event of a building fire. When placed in an HVAC duct system, the Firestat senses the air temperature. Based on what temperature that device is set at, it will open the contacts when that temp is reached, and stop the fan from running and spreading the potential fire or smoke it detected to more areas of the building. The system then must be manually reset to ensure there is no danger left. We have 2 types of manual reset Firestat’sRead More →

We sell to a few larger companies, so we though we would highlight one today. The company we are looking at today is Dynacon. Dynacon is an HVAC distributor located in Virginia. They sell our Firestat switches to construction companies who are building or maintaining apartment buildings. Our high limit switches are approved for use in high density residential buildings in North Carolina to shut off fans in case of a fire. This prevents smoke from being blown through the ductwork into the rest of the building. Interested in becoming a distributor for our products? Contact us for distributor pricing.Read More →

How to adjust a duct limit temperature switch

Our Firestat switches come in both adjustable and fixed temperature models. However, you may not know what temperature you need in the first place. The temperature you’ll need your Firestat to be set at depends on how close you place it to your furnace and how hot your furnace runs. Our lowest fixed temperature switch is set at 125°F, but the air right next to your furnace might be warmer than that. We recommend that you identify where you plan on installing your duct limit switch before you buy it and measure the air temperature when your furnace is running. Once you know that temperature,Read More →

Firestat Adjustable Duct High Limits

Duct high limit switches are simple devices, so there isn’t much that can be done to stand out among competitors. However, we consistently beat out the competition when it comes to pricing.  This is mostly because our switches only act as limit switches, while most other similar switches also can act as fan switches. This allows us to offer better pricing for those of you who don’t need a fan switch. If you have any questions about our switches or want to get a quote for a larger order, be sure to contact us.Read More →