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Furnace Pressure Switch Manufacturers and Companies

IQS Directory is a top industrial directory listing of leading industrial furnace pressure switch manufacturers and suppliers. Access our comprehensive index to review and source furnace pressure switch manufacturers with preview ads and detailed product descriptions. These furnace pressure switch companies can design, engineer and manufacture furnace pressure switches to your specifications and application need. A quick and easy to use request for quote form is provided for you to contact these furnace pressure switch manufacturers and suppliers. Each company has detailed profile information, locations, phone number, website links, product videos and product information defined. Read customer reviews and product specific news articles. We are the right resource for your information requirement whether its for a manufacturer of furnace air pressure switches, troubleshooting air switches, furnace pressure switches.

  • Mentor, OH 440-205-7600

    Tecmark is a designer and manufacturer of remotely actuated controls used by OEMs worldwide. We offer an extensive line of high pressure switches, and our customer service representatives will help you find the perfect model for your application. Whether you are looking for an in-house solution, or an industry need, we continue to develop technological advancements.

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  • Lenexa, KS 913-888-2630

    SOR® pressure switches have earned a long-time reputation for their high quality, rugged construction and reliable performance under the most demanding applications. We offer explosion proof, hermetically sealed, and weatherproof switches. We design our pressure switches with high performance in mind, crafting custom, durable pressure switches with the approval of multiple agencies. Our products are designed to be long-lasting, cost effective, and easy to use.

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  • Pompano Beach, FL 888-386-4270

    For over 35 years, MPL has specialized in unique miniature pressure switch solutions to the world’s leading manufacturers. MPL pressure sensors and switches can be found in the most demanding environments from automotive to health care where long-life, reliable solutions are required. Visit our website for details.

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  • Racine, WI 800-558-5950

    Air Logic has been designing and manufacturing air filters and pressure switches since 1945. We are dedicated to creating high-quality, innovative products for our customers. Air Logic offers a wide range of pressure switches with customization options available to ensure our products meet our customer's needs.

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Furnace Pressure Switches Industry Information

Furnace Pressure Switches

A furnace pressure switch is an interlock device that senses changes in hydraulic or pneumatic input pressure and responds by making electrical contact, switching on or off. Designed to actuate by changes in the pressure of a liquid or gas, furnace pressure switches are programmed to activate at certain pressure points and may be designed to make contact either on pressure rise or on pressure fall.

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Design of Furnace Pressure Switches

Furnace pressure switches typically consist of an elastomeric diaphragm, insulators and field adjustable pressure set points. When a furnace pressure switch is actuated an elastomeric diaphragm moves and opens or closes an electrical circuit that interrupts or continues the flow involved. An elastomeric diaphragm eliminates the need for an oil barrier because they separate pressure instruments from the process media while allowing the instruments to sense the process pressure. The insulators are designed to protect against direct exposure to live parts. A furnace pressure switch is set to a certain pressure point to which it will automatically respond. Field adjustable pressure set points allow the furnace pressure switch to be calibrated to the correct pressure points for opening and closing the diaphragm. There are three main types of furnace pressure switches: air pressure switches, water pressure switches, and fuel pressure switches. An air pressure switch ensures that there is enough fresh air circulated through the furnace. A water pressure switch is used in furnaces that heat water and protect the water heater tank from burns. A fuel pressure switch monitors the pump’s ability to produce enough pressure for the liquid fuel oil to be squeezed into a fine mist through a nozzle for full combustion.

Furnace Pressure Switch Applications

Pressure switch manufacturers produce furnace pressure switches to operate in furnaces as safety devices by offering control stability through inconsistent conditions and assuring continuous service under extreme shock and vibration. They typically work with gas or liquid pressure situations, individually or in a combination. Common industries that utilize furnace pressure switches include pulp and paper residential, industrial, food processing, heating and cooling, electronics, and foundry. Furnace pressure switches are used for applications such as residential boilers or furnaces, waste oil heating systems, small air compressors, electric or gas heaters, pumps, food processing equipment and electric strip heaters in VAV systems.



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