{"product_id":"resideo-pa404a1025-u-pressuretrol-controller-w-subtractive-1-psi-to-5-psi-differential-pressure-pa404a1025","title":"Resideo PA404A1025\/U Pressuretrol Controller w\/ Subtractive: 1 psi to 5 psi Differential Pressure, PA404A1025","description":"\u003cb\u003eOverview:\u003c\/b\u003e\u003cbr\u003e\r\nThe PA404 is a series 40 (2-wire, SPST) pressuretrol controller for use in 24, 120, 240 or 277 volt control circuits or in self powered (millivoltage) applications.\r\n\r\n\u003cb\u003eFeatures:\u003c\/b\u003e\r\n\u003cul\u003e\n\u003cli\u003e3-15 Psi Adjustable Pressure Range\r\n\u003c\/li\u003e\n\u003cli\u003e The PA404A is a pressure actuated high limit, safety control for steam heating boilers; it breaks an electrical circuit to shut down the burner if steam pressure rises above a safe level. \r\n\u003c\/li\u003e\n\u003cli\u003eThe PA404B is used with suspension-type unit heaters to make the fan circuit when a pressure rise indicates the presence of steam. \r\n\u003c\/li\u003e\n\u003cli\u003eEach model contains an SPST MICRO SWITCH snap-acting switch. \r\n\u003c\/li\u003e\n\u003cli\u003eSensitive pressure-actuated diaphragm expands or contracts with pressure variations, moving a lever mechanism which operates the snap switch. \r\n\u003c\/li\u003e\n\u003cli\u003eA screw on top of the case allows set point adjustment without removing the cover. \r\n\u003c\/li\u003e\n\u003cli\u003eDifferential is adjusted by means of a dial located inside the case.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777487888608,"sku":"PA404A1025\/U","price":361.25,"currency_code":"USD","in_stock":true}],"url":"https:\/\/thefirealarmsupplier.com\/products\/resideo-pa404a1025-u-pressuretrol-controller-w-subtractive-1-psi-to-5-psi-differential-pressure-pa404a1025","provider":"The Fire Alarm Supplier","version":"1.0","type":"link"}