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DUNGS Pressure switch GAO-A4-4-3

Product Model:

Description The GAO-, GMH- and GML-A4… ventless pressure switches are adjustable pressure switches for automatic burner controls. These pressure switches are suitable for making and/or breaking a circuit when the medium pressure changes relative to the set point. The set point can be set in the field by an adjustable dial with an integrated scale. Test nipple integrated in metal housing to verify set point. Application : The GAO-, GMH-, and GML-A4… pressure switch is recommended for industrial and commercial heating, ventilation and air-conditioning systems. The GAO-, GMH-, and GML-A4… pressure switch is suitable for dry natural gas, propane, butane, air and other inert gases. Suitable for up to 0.1 % by volume, dry H2S.A “dry” gas has a dew point lower than +15 °F and its relative humidity is less than 60 %.

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Shipping If the order is not very large, we can send it to you by courier, such as TNT, DHL, UPS or EMS. If the order quantity is large, we will suggest you to use air or sea freight through your appointed freight forwarder. Our long-term cooperative agents are also available.

Related FAQ


Q1.Are you a factory or trading company?


A1: We are the original manufacturer.

Q2: ls there any stock?


A2: Most of our products have stocks.

Q3: How about the Shipping method?


A3: DHL/UPS/TNT/Fedex and other express for samples delivery, mass production will be sendby sea or by train.

Q4: How many years warranty?


A4: Our products are high quality and durable, our warranty are one year normally

Q5: How to choose suitble bumner for myself?


A5: Usually according to combustion output capacity. You can provide relevent parameters ofcombustion output such as :104xkcal/h, kw/h,kg/h,then we will recommend the model which is themost suitable for you, as the combustion output you provide.

Q6:How about samples ?


A6: We are willing to offer samples.