{"product_id":"ay-mcdonald-water-well-pressure-switch","title":"A.Y. McDonald Water Well Pressure Switch - 1\/4 in","description":"\u003c!-- TABS --\u003e\n\u003ch5\u003eDescription\u003c\/h5\u003e\n\u003cdiv class=\"gs\"\u003e\n\u003cdiv class=\"gs-head\"\u003e\n\u003cdiv class=\"gs-eyebrow\"\u003eA.Y. McDonald Mfg. Co. · Pressure Switch\u003c\/div\u003e\n\u003cdiv class=\"gs-title\"\u003eWater Well Pressure Switch\u003c\/div\u003e\n\u003cdiv class=\"gs-sub\"\u003e20\/40, 30\/50 and 40\/60 PSI settings, 1\/4 in connection\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-badges\"\u003e\n\u003cdiv class=\"gs-badge\"\u003e20\/40 · 30\/50 · 40\/60 PSI\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003e1\/4 in Connection\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003eNEMA 1 Cover\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003e2 PSI per Turn\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eOverview\u003c\/div\u003e\n\u003cdiv class=\"gs-lead\"\u003e\n\u003cp\u003eA.Y. McDonald water well pressure switch with a 1\/4 in connection, in 20\/40, 30\/50 and 40\/60 PSI settings. The switch starts the pump at the first figure and stops it at the second.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSettings: 20\/40 PSI, 30\/50 PSI, 40\/60 PSI\u003c\/li\u003e\n\u003cli\u003e1\/4 in female NPT connection\u003c\/li\u003e\n\u003cli\u003eNEMA 1 cover with captive nut\u003c\/li\u003e\n\u003cli\u003eAdjustable: 2 PSI per turn of the screw\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#FFFFFF;border:1px solid #C7CBD1;border-top:3px solid #B3122A;padding:12px 16px 12px;margin:16px 0 4px;font-size:13.5px;line-height:1.55;color:#4A4A4F\"\u003e\n\u003cdiv style=\"font-family:Arial Black,Arial,sans-serif;font-size:11px;letter-spacing:1.2px;text-transform:uppercase;color:#B3122A;margin-bottom:8px\"\u003eWhat Ships and What It Needs to Run\u003c\/div\u003e\n\u003cp style=\"margin:0\"\u003e\u003cstrong style=\"color:#B3122A\"\u003eIncluded:\u003c\/strong\u003e the pressure switches in the pack shown in the option.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#E1E3E6;border-left:3px solid #B8BDC4;padding:8px 14px;font-size:11.5px;color:#4A4A4F;margin-top:14px;line-height:1.5\"\u003eGenuine A.Y. McDonald equipment, factory-new in original packaging — sold and supported by Watermain Supply, an independent industrial supplier.\u003c\/div\u003e\n\u003cdiv style=\"background:#fff;border-left:5px solid #B3122A;padding:15px 18px;margin-top:12px\"\u003e\n\u003cdiv style=\"font-family:Arial Black,Arial,sans-serif;font-size:15px;color:#B3122A;text-transform:uppercase;letter-spacing:1px;margin-bottom:6px\"\u003e1-Year A.Y. McDonald Warranty\u003c\/div\u003e\n\u003cp style=\"margin:0;font-size:13.5px;color:#4A4A4F;line-height:1.55\"\u003eCovered for \u003cstrong\u003e1 year from the date of shipment from A.Y. McDonald’s factory\u003c\/strong\u003e under A.Y. McDonald’s published limited warranty, which applies to the products A.Y. McDonald manufactures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eSpecifications\u003c\/div\u003e\n\u003cdiv class=\"gs-lead\"\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\u003ctable class=\"gs-tbl\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSettings (cut-in\/cut-out)\u003c\/td\u003e\n\u003ctd\u003e20\/40 PSI, 30\/50 PSI, 40\/60 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003e1\/4 in female NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eNEMA 1 switch cover with captive nut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdjustment\u003c\/td\u003e\n\u003ctd\u003eEach turn of the adjustment screw changes the setting 2 PSI; instructions are inside the top cover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackaging\u003c\/td\u003e\n\u003ctd\u003eIndividually boxed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp style=\"font-size:12.5px;color:#9B9EA3;margin-top:6px;line-height:1.55\"\u003eSource: A.Y. McDonald Plumbing Price List, effective 7-07-26, p. 76; A.Y. McDonald Plumbing Catalog (1\/25), No-Lead Tank Tees and Insert Fittings, pp. 110-115.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eModels\u003c\/div\u003e\n\u003cdiv class=\"gs-lead\"\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\u003ctable class=\"gs-tbl\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003ePart No.\u003c\/th\u003e\n\u003cth\u003eSetting\u003c\/th\u003e\n\u003cth\u003eSold As\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e3129-457\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20\/40 PSI\u003c\/td\u003e\n\u003ctd\u003e2-Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e3129-458\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30\/50 PSI\u003c\/td\u003e\n\u003ctd\u003e2-Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e3129-459\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40\/60 PSI\u003c\/td\u003e\n\u003ctd\u003e2-Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"gs-note\"\u003e\n\u003cstrong\u003eBefore You Order.\u003c\/strong\u003e Sold in 2-packs; the price shown is for two switches.\u003c\/div\u003e\n\u003cdiv class=\"gs-contact\"\u003eFor engineering-led sizing and selection support or a factory submittal, email \u003ca href=\"mailto:sales@watermainsupply.com\"\u003esales@watermainsupply.com\u003c\/a\u003e or call \u003ca href=\"tel:18885104036\"\u003e1-888.510.4036\u003c\/a\u003e.\u003cbr\u003e© Watermain Supply — A division of E4 Industrial LLC\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5\u003eData Sheet\u003c\/h5\u003e\n\u003cdiv class=\"gs\"\u003e\n\u003cdiv class=\"gs-dl\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/AY-No-Lead-Tank-Tees-Insert-Fittings-Catalog-2025.pdf?v=1791724450\" target=\"_blank\" rel=\"noopener\"\u003eNo-Lead Tank Tees and Insert Fittings Catalog Section (2025)\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch5\u003eVideos\u003c\/h5\u003e\n\u003cdiv class=\"gs\"\u003e\u003cdiv class=\"gs-sec\" style=\"margin-top:6px\"\u003e\u003cp style=\"font-size:13px;color:#9B9EA3\"\u003eProduct videos are being added to this listing. For a walkthrough in the meantime, email sales@watermainsupply.com.\u003c\/p\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c!-- \/TABS --\u003e","brand":"A.Y. McDonald Mfg. Co.","offers":[{"title":"20\/40 PSI \/ 2-Pack - 3129-457","offer_id":50624467796143,"sku":"3129-457-2PK","price":99.46,"currency_code":"USD","in_stock":true},{"title":"30\/50 PSI \/ 2-Pack - 3129-458","offer_id":50624467828911,"sku":"3129-458-2PK","price":99.46,"currency_code":"USD","in_stock":true},{"title":"40\/60 PSI \/ 2-Pack - 3129-459","offer_id":50624467861679,"sku":"3129-459-2PK","price":99.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/ay-mcdonald-water-well-pressure-switch-3129-457-458_f6d7e7ff-0cb0-41ef-9e3d-1fce52b1a116.jpg?v=1791721584","url":"https:\/\/watermainsupply.com\/products\/ay-mcdonald-water-well-pressure-switch","provider":"Watermainsupply","version":"1.0","type":"link"}