{"id":329,"date":"2011-04-01T21:17:13","date_gmt":"2011-04-01T21:17:13","guid":{"rendered":"http:\/\/keithspecialty.wordpress.com\/?p=329"},"modified":"2011-04-01T21:17:13","modified_gmt":"2011-04-01T21:17:13","slug":"pressure-tank-setting-the-pressure-2","status":"publish","type":"post","link":"https:\/\/keithspecialty.com\/blog\/pressure-tank-setting-the-pressure-2\/","title":{"rendered":"Pressure Tank – setting the pressure"},"content":{"rendered":"

How do I set the air pressure in my pressure tank?<\/strong><\/p>\n

The air pressure in the tank\u00a0should be set according to the low cut-in point of the pressure switch. \u00a0Before\u00a0setting the pressure,\u00a0it is important\u00a0to know what the low pressure cut-in is. \u00a0There are two ways to determine this. \u00a0The first is to find\u00a0the pressure rating for the switch you installed. This is valid only if the switch has not been adjusted. If the switch was adjusted, the second method should be used, which involves observing the pressure gauge to see at which point\u00a0the pressure switch turns on the pump.<\/p>\n

\"view<\/a><\/p>\n

The pressure switch rating is normally written on a tag that is inside the plastic cap covering the switch. \u00a0Typically this can be found on the inside\u00a0of your pressure switch lid. \u00a0Before you remove the lid to see the label, you should shut off the power to the switch at the main circuit panel. \u00a0To remove the lid,\u00a0loosen\u00a0the screw on the top of the pressure switch cap.\u00a0\u00a0 Look inside the cover to read the pressure range. The first number is the low pressure \u00a0cut-in \u00a0pressure.<\/p>\n

\"label<\/a><\/p>\n

The label on the left is a 30 – 50 pressure switch. Look under the PSI column:\u00a0 ON\/I is the low pressure cut-in pressure, the OFF\/O is the high pressure cut-off pressure.<\/p>\n

This is the factory setting of the switch when\u00a0purchased. However, since the switches have adjustment screws, it is possible the switch settings have been changed.<\/p>\n

If the switch has been adjusted or you cannot find the rating on the switch, you need to observe the pressure gauge to see when the switch turns on. \u00a0You will need power turned on to do this. \u00a0 Observe \u00a0the pressure gauge as you\u00a0allow water to run in your sink or washing machine.\u00a0\u00a0As the gauge decreases, make a note of where the pressure is\u00a0when the pump switch activates the pump. This is the low pressure cut-in point. Continue to watch\u00a0and note the pressure where the pump switch shuts off. \u00a0This is the high pressure cut-off point.<\/p>\n

Once you have determined the cut-in pressure you can set the tank pressure.\u00a0\u00a0To do so, shut the power to the switch (and pump) off\u00a0and completely drain the tank of water. \u00a0It is important to drain the tank completely before checking and setting the pressure in the tank. If you do not, the pressure will not be set correctly.<\/p>\n

There is a valve stem which is usually on the top of the tank\ufeff under a plastic cap\ufeff.\u00a0 With an air pressure gauge,\u00a0check the air pressure just as you would on a car tire. \u00a0It should read 2 to 3 pounds less than\u00a0the low pressure cut-in pressure. \u00a0 If the pressure in the tank is not set correctly, \u00a0you may then either add or release air as needed.<\/p>\n

If you are using a \u00a030-50 pressure switch, the low pressure cut-in point is 30 psi. \u00a0Set the\u00a0tank pressure at 27 or 28 psi. \u00a0Once you have the pressure in the tank set correctly, you can turn the pump\u00a0back on. \u00a0Don’t forget to close the boiler valve you opened to drain the tank.<\/p>\n","protected":false},"excerpt":{"rendered":"

How do I set the air pressure in my pressure tank? The air pressure in the tank\u00a0should be set according to the low cut-in point of the pressure switch. \u00a0Before\u00a0setting the pressure,\u00a0it is important\u00a0to know what the low pressure cut-in is. \u00a0There are two ways to determine this. \u00a0The first is to find\u00a0the pressure rating…<\/p>\n

Read More<\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[20,16],"tags":[],"yoast_head":"\nPressure Tank - setting the pressure -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/keithspecialty.com\/blog\/pressure-tank-setting-the-pressure-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pressure Tank - setting the pressure -\" \/>\n<meta property=\"og:description\" content=\"How do I set the air pressure in my pressure tank? The air pressure in the tank\u00a0should be set according to the low cut-in point of the pressure switch. \u00a0Before\u00a0setting the pressure,\u00a0it is important\u00a0to know what the low pressure cut-in is. \u00a0There are two ways to determine this. \u00a0The first is to find\u00a0the pressure rating...Read More\" \/>\n<meta property=\"og:url\" content=\"https:\/\/keithspecialty.com\/blog\/pressure-tank-setting-the-pressure-2\/\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/KeithSpecialty\/\" \/>\n<meta property=\"article:published_time\" content=\"2011-04-01T21:17:13+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/keithspecialty.files.wordpress.com\/2011\/03\/image002.jpg?w=300\" \/>\n<meta name=\"author\" content=\"Dave Keith\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@keithspecialty\" \/>\n<meta name=\"twitter:site\" content=\"@keithspecialty\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dave Keith\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/keithspecialty.com\/blog\/pressure-tank-setting-the-pressure-2\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/keithspecialty.com\/blog\/pressure-tank-setting-the-pressure-2\/\"},\"author\":{\"name\":\"Dave Keith\",\"@id\":\"https:\/\/keithspecialty.com\/blog\/#\/schema\/person\/96d65398e56fac09a6360cad9dc82391\"},\"headline\":\"Pressure Tank – setting the pressure\",\"datePublished\":\"2011-04-01T21:17:13+00:00\",\"dateModified\":\"2011-04-01T21:17:13+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/keithspecialty.com\/blog\/pressure-tank-setting-the-pressure-2\/\"},\"wordCount\":536,\"commentCount\":15,\"publisher\":{\"@id\":\"https:\/\/keithspecialty.com\/blog\/#organization\"},\"articleSection\":[\"Pressure Tank\",\"Water Systems\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/keithspecialty.com\/blog\/pressure-tank-setting-the-pressure-2\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/keithspecialty.com\/blog\/pressure-tank-setting-the-pressure-2\/\",\"url\":\"https:\/\/keithspecialty.com\/blog\/pressure-tank-setting-the-pressure-2\/\",\"name\":\"Pressure Tank - 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