{"product_id":"dwyer-instruments-1823-w42g-mechanical-pressure-switch","title":"Dwyer Instruments 1823-W42G Mechanical Pressure Switch","description":"\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003ch3\u003eDescription:\u003c\/h3\u003e\n\u003cp\u003eThe Dwyer 1823-W42G Pressure Switch is used in industrial pressure monitoring systems to detect pressure changes and provide reliable switching control for process equipment and automation systems. Commonly installed in HVAC equipment, air compressors, hydraulic systems, pneumatic controls, pumps, and industrial process machinery requiring dependable pressure-actuated switching. Maintenance teams and \u003ca href=\"https:\/\/plgautomation.com\/collections\/hmi-operator-interfaces\"\u003esystem integrators\u003c\/a\u003e use this pressure \u003ca href=\"https:\/\/plgautomation.com\/collections\/switches-circuit-protection\"\u003eswitch\u003c\/a\u003e for replacement, retrofit projects, and preventive maintenance to maintain system safety and operational reliability. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eApplications:\u003c\/h3\u003e\n\u003cp\u003eThe Dwyer 1823-W42G Pressure Switch is commonly used in compressed air systems, industrial pumps, hydraulic power units, process control equipment, HVAC installations, manufacturing machinery, and automation systems where pressure monitoring and control functions are required to protect equipment and maintain process performance. \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp\u003e• Manufacturer: Dwyer Instruments\u003cbr\u003e• Part Number: 1823-W42G\u003cbr\u003e• Product Type: Pressure Switch\u003cbr\u003e• Switch Type: Mechanical Pressure-Actuated Switch\u003cbr\u003e• Function: Pressure Monitoring and Control\u003cbr\u003e• Sensing Medium: Air, Gas, and Compatible Fluids\u003cbr\u003e• Contact Type: SPDT Switching Contacts\u003cbr\u003e• Pressure Adjustment: Field Adjustable Set Point\u003cbr\u003e• Process Connection: Industrial Pressure Port Connection\u003cbr\u003e• Electrical Interface: Control Circuit Switching Output\u003cbr\u003e• Mounting Style: Panel or Equipment Mounted\u003cbr\u003e• Housing Construction: Industrial-Duty Enclosure\u003cbr\u003e• Application Category: Process and Equipment Protection\u003cbr\u003e• Operating Environment: Industrial Automation and Process Control Systems\u003c\/p\u003e\n\u003ch3\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp\u003e• Dwyer Series 1620 Pressure Switch\u003cbr\u003e• Dwyer Series AP Pressure Switch\u003cbr\u003e• Dwyer Series 1950 Pressure Switch \u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"PLG Automation ","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51727942058286,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_966e3c10-d478-4765-9ce1-010a4acafa2b.jpg?v=1770584621","url":"https:\/\/plgautomation.com\/products\/dwyer-instruments-1823-w42g-mechanical-pressure-switch","provider":"PLG Automation ","version":"1.0","type":"link"}