{"title":"Engine Gauges","description":"","products":[{"product_id":"20t-250-6-1-2-temperature-switchgage","title":"20T-250-6-1\/2 Temperature Switchgage (10702043)","description":"\u003cp\u003e\u003cspan\u003eThe 20T-250-6-1\/2 is a 2\" Temperature Swichgage®. This very popular design features a diaphragm-actuated, temperature-indicating gage, with a built-in electrical switch for tripping alarms and\/or shutdown devices.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThis model has a 6-foot capillary length with a standard 1\/2-14 NPT threading, and a temperature range from 130-250°F (54-121°C). The gage mechanism is enclosed in a steel case coated to resist corrosion. A polycarbonate, break-resistant lens and a polished, stainless steel bezel help protect this rugged, built-to-last instrument.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThis vapor actuated gage features a sealed capillary tube and a sensing bulb. When subjected to heat, the liquid in the sensing bulb changes to vapor creating pressure against the diaphragm mechanism. The diaphragm translates this vapor pressure into a mechanical gage reading.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eInside the 20T-250-6-1\/2, the gage pointer acts as a temperature indicator and as one switch pole which completes a circuit when it touches the adjustable limit contact. Contact(s) are grounded through the Swichgage® case. This gage has a self-cleaning motion to enhance electrical continuity.\u003c\/span\u003e\u003c\/p\u003e","brand":"Murphy","offers":[{"title":"Default Title","offer_id":47961233293534,"sku":"20T-250-6-1\/2","price":88.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8985\/5966\/files\/10702043_01_cd9232ef-7015-4036-8088-0e1abbd5c892.avif?v=1772928228"},{"product_id":"20p-200-pressure-switchgage-05703122","title":"20P-200 Pressure Switchgage (05703122)","description":"\u003ch3\u003e20P-200: 2\" Pressure Swichgage®; 0-200 psi  (05703122)\u003c\/h3\u003e\n\u003cp\u003e\u003cbr\u003eThe 20P-200 Pressure Swichgage® is a 2\" dial, diaphragm-actuated pressure-indicating gage with a built-in electrical limit switch, which is used for tripping alarms and\/or shutdown devices. \u003cbr\u003eThis dual-scale instrument has a range of 0-200 psi (1.4 MPa) [14 bar]. The gage mechanism is enclosed in a steel case coated to resist corrosion. A polycarbonate, break-resistant lens and a polished, stainless steel bezel help protect this rugged instrument. \u003cbr\u003eAccuracy and protection from moderate overpressure is assured by a unique, unitized diaphragm chamber. A built-in pulsation dampener helps eliminate pointer flutter and is removable for cleaning. Inside the 20P-200, the gage pointer acts as a pressure indicator and as one switch pole which completes a circuit when it touches the adjustable limit contact. \u003cbr\u003eContacts are grounded through the case and have a self-cleaning motion to ensure electrical continuity. \u003cbr\u003eThe 20P-200 Pressure Swichgage® was specifically designed to protect engines and equipment in oil field, marine, irrigation, construction and trucking applications by monitoring engine lube pressure, water pump pressure, hydraulic pressure and air pressure. \u003cbr\u003eThis popular instrument features a beryllium copper diaphragm, a 1\/8-27 NPTM brass process connection, and exceeds SAE standards. \u003c\/p\u003e","brand":"Murphy","offers":[{"title":"Default Title","offer_id":47961443762398,"sku":"20P-200","price":68.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8985\/5966\/files\/05703122_01.jpg?v=1772946461"},{"product_id":"eg21f-12-electric-fuel-gage-15700500","title":"EG21F-12 Electric Fuel Gage (15700500)","description":"\u003ch3\u003eEG21F-12 Electric Fuel Gage (15700500)\u003c\/h3\u003e\n\u003cp\u003e\u003cbr\u003eThe 2-1\/4\" EG21F-12 Electric Fuel Gage shows fuel levels at empty, 1\/4, 1\/2, 3\/4, and full; 8-18VDC; features an impact and weather resistant polyester case, polycarbonate lens and a stainless-steel bezel.\u003cbr\u003eThe EG21F-12 Electric Fuel Gage takes the electric gage to new heights with proven state of the art technology and reliability.\u003cbr\u003eUtilizing our proven EG Air Core movement design, the EG21F-12 offers technological improvements in overall operation, lighting, accuracy in reading, wiring and installation.\u003cbr\u003eThis rugged gage is environmentally sealed and exceed the rigid SAE J1810 standard for reliable operation under tough off-road and power unit environments. Corrosion-resistant materials are used throughout, making the EG21F-12 highly desirable for marine and other environmentally sensitive applications.\u003cbr\u003eSoft, non-glare dial and pointer illumination is provided by a \"cold light\" LED and when powered the white lettering and clear pointer become soft red. Mirror band eliminates parallax reading error when the pointer and its reflection are aligned.\u003cbr\u003eThe EG21F-12 features a spin-on gage clamp that will accommodate panel mounting up to 3\/4\" thick. A plug-in wire connector is provided for positive and easy connection.\u003cbr\u003eNow you can have both the ease of electric gage installation, and the reliability of Murphy's famous instruments.\u003c\/p\u003e","brand":"Murphy","offers":[{"title":"Default Title","offer_id":47961444909278,"sku":"EG21F-12","price":51.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8985\/5966\/files\/15700500_01.jpg?v=1772946622"},{"product_id":"20te-250-4-1-2-temperature-switchgage-10702499","title":"20TE-250-4-1\/2 Temperature Switchgage (10702499)","description":"\u003ch3\u003e20TE-250-4-1\/2: 2\" Temperature Swichgage®; 130-250° F. temp range; internal SPDT snap-switch; 4 ft. capillary length (10702499)\u003c\/h3\u003e\n\u003cp\u003e\u003cbr\u003eThe 20 Series (2 inch\/51 mm dial) SWICHGAGE® models are diaphragm-actuated, temperature-indicating gages, with built-in electrical switches for tripping alarms and\/or shutdown devices. \u003cbr\u003e\u003cbr\u003eThe gage mechanism is enclosed in a steel case coated to resist corrosion. A polycarbonate, break resistant lens and a polished, stainless steel bezel help protect this rugged, built-to-last instrument. These vapor actuated gages feature a sealed capillary tube and a sensing bulb. When subjected to heat, the liquid in the sensing bulb changes to vapor creating pressure against the diaphragm mechanism. The diaphragm translates this vapor pressure into a mechanical gage reading. \u003cbr\u003e\u003cbr\u003eFor series 20T, the gage pointer acts as a temperature indicator and as one switch pole which completes a circuit when it touches the adjustable limit contact. \u003cbr\u003e\u003cbr\u003e20TE (was 20ESR) are Models with internal SPDT snap-switches, instead of the single pole\/pointer contact(s). When the switch closes on rising temperature, it becomes Set. As temperature decreases the switch Resets.  \u003c\/p\u003e","brand":"Murphy","offers":[{"title":"Default Title","offer_id":47961445761246,"sku":"20TE-250-4-1\/2","price":159.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8985\/5966\/files\/10702499_01.jpg?v=1772946803"},{"product_id":"a20t-250-4-1-2-temperature-swichgage-10703159","title":"A20T-250-4-1\/2 Temperature Swichgage (10703159)","description":"\u003ch3\u003eA20T-250-4-1\/2: 2\" Temperature Swichgage®; Polycarbonate case; 130-250°F temp range; 4 ft capillary length (10703159)\u003c\/h3\u003e\n\u003cp\u003e\u003cbr\u003eThe A20T-250-4-1\/2 Temperature Swichgage® has a polycarbonate case and O-ring seals. This diaphragm-actuated, 2\" temperature-indicating gage has a built-in electrical switch for tripping alarms and\/or shutdown devices.\u003cbr\u003eThis model has a polished stainless steel bezel, a 4 foot capillary length, a temperature range from 130-250°F (54-121°C), and standard 1\/2-14 NPT threading. This vapor actuated gage features a sealed capillary tube and a sensing bulb. When subjected to heat, the liquid in the sensing bulb changes to vapor creating pressure against the diaphragm mechanism. The diaphragm translates this vapor pressure into a mechanical gage reading.\u003cbr\u003eThe gage pointer acts as a temperature indicator and as one switch pole which completes a circuit when it touches the adjustable limit contact. Contacts are isolated through ground. This gage has a self-cleaning motion to enhance electrical continuity.\u003c\/p\u003e","brand":"Murphy","offers":[{"title":"Default Title","offer_id":47961446842590,"sku":"A20T-250-4-1\/2","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8985\/5966\/files\/10703159_01.jpg?v=1772947047"},{"product_id":"20t-220-6-1-2-temperature-swichgage-10702496","title":"20T-220-6-1\/2 Temperature Swichgage (10702496)","description":"\u003ch3\u003e20T-220-6-1\/2: 2\" Temperature Swichgage®; 130-220° F. temp range; 6 ft. capillary length  (10702496) \u003c\/h3\u003e\n\u003cp class=\"p1\"\u003eThe Murphy 130-220F Mechanical Temperature Swichgage 2\" with 6 Ft Capillary 20T-220-6-1\/2 is a diaphragm-actuated, temperature-indicating gage with built-in electrical switch for tripping alarms and\/or shutdown devices. The gage mechanism is enclosed in a steel case coated to resist corrosion. A polycarbonate, break-resistant lens and a polished, stainless steel bezel help protect this rugged, built-to-last instrument. \u003c\/p\u003e\n\u003cp class=\"p1\"\u003eThis vapor actuated gage features a sealed capillary tube and a sensing bulb. When subjected to heat, the liquid in the sensing bulb changes to vapor creating pressure against the diaphragm mechanism. The diaphragm translates this vapor pressure into a mechanical gage reading.\u003cbr\u003e\u003cbr\u003eThe gage pointer acts as a temperature indicator and as one switch pole which completes a circuit when it touches the adjustable limit contact. Contact(s) are grounded through the Swichgage case. This gage has a self-cleaning motion to enhance electrical continuity. Applications: Industrial engines and equipment in Oil Field, Marine, Irrigation Construction and Trucking industries. Monitoring Engine Coolant, Crankcase Oil and Transmission Oil.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFEATURES:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"ul1\"\u003e2 inch\/51 mm Dial\u003c\/li\u003e\n\u003cli class=\"ul1\"\u003eSteel Case Coated to Resist Corrosion\u003c\/li\u003e\n\u003cli class=\"ul1\"\u003ePolycarbonate, High-Impact Lens\u003c\/li\u003e\n\u003cli class=\"ul1\"\u003ePolished Stainless Steel Bezel\u003c\/li\u003e\n\u003cli class=\"ul1\"\u003eCombination Indicating Gage and Limit Switch\u003c\/li\u003e\n\u003cli class=\"ul1\"\u003eSwitch Can Activate Alarms and\/or Shut Down Equipment\u003c\/li\u003e\n\u003cli class=\"ul1\"\u003eContact Grounds Through Case\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Murphy","offers":[{"title":"Default Title","offer_id":47961447497950,"sku":"20T-220-6-1\/2","price":85.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8985\/5966\/files\/Screenshot_8-3-2026_02011_www.murcal.com.jpg?v=1772947272"},{"product_id":"20pw7-150-water-pressure-swichgage-05703154","title":"20PW7-150 Water Pressure Swichgage (05703154)","description":"\u003ch3\u003e20PW7-150: 2\" Water Pressure Swichgage® w\/lockout; 0-150 psi (05703154)\u003c\/h3\u003e\n\u003cp\u003e\u003cbr\u003eThe 20PW7-150 Water Pressure Swichgage® with lockout, is a 2\" dial, diaphragm-actuated pressure-indicating gage with a built-in electrical limit switch, which is used for tripping alarms and\/or shutdown devices. \u003cbr\u003eThis dual-scale instrument is designed specifically to monitor water pump pressure and has a range of 0-150 psi (1.0 MPa) [10 bar]. The gage mechanism is enclosed in a steel case coated to resist corrosion. A polycarbonate, break-resistant lens and a polished, stainless steel bezel help protect this rugged instrument. Accuracy and protection from moderate overpressure is assured by a unique, unitized diaphragm chamber. A built-in pulsation dampener helps eliminate pointer flutter and is removable for cleaning. \u003cbr\u003eOn the 20PW7-150, the low limit contact can be by-passed on start-up by pushing the lockout button. It holds the pointer away from the shutdown contact while the engine starts. The lockout will disengage automatically on rising pressure. \u003cbr\u003eAdditionally, the gage pointer acts as a pressure indicator and as one switch pole which completes a circuit when it touches the adjustable limit contact. Contacts are grounded through the case and have a self-cleaning motion to ensure electrical continuity. \u003cbr\u003eThe 20PW7-150 Water Pressure Swichgage® was specifically designed to protect engines and equipment in oil field, marine, irrigation, construction and trucking applications by monitoring water pump pressure. \u003cbr\u003eThis popular instrument features a beryllium copper diaphragm, a 1\/8-27 NPTM brass process connection, and exceeds SAE standards.\u003c\/p\u003e","brand":"Murphy","offers":[{"title":"Default Title","offer_id":47961447891166,"sku":"20PW7-150","price":81.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8985\/5966\/files\/05703154_01.jpg?v=1772947410"},{"product_id":"20btg-250-4-1-2-temperature-switchgage-10702523","title":"20BTG-250-4-1\/2 Temperature Switchgage (10702523)","description":"\u003ch3\u003e20BTG-250-4-1\/2: B-Series Temperature Switchgage (10702523)\u003c\/h3\u003e\n\u003cp align=\"justify\"\u003eThe 20BTG-250-4-1\/2 B-Series Temperature Murphygage® is a 2” dial (51 mm), high-quality, diaphragm-actuated temperature-indicating gage. Built by Enovation Controls with the same heavy-duty design as the standard 20 series and 25 series Swichgage® instrument, the B-gage is more compact and is the optimum instrument for gage-only applications.\u003cbr\u003e\u003cbr\u003eIt has a high impact polycarbonate lens, sturdy steel case and a polished, low-profile stainless steel bezel. Accuracy and protection from moderate over-pressure\/over-temperature are assured by a unique, unitized diaphragm chamber, superior quality materials and the design of the gage movement.\u003cbr\u003e\u003cbr\u003eThis model features a sealed four foot (4’) capillary tube, a sensing bulb, and a 130-250°F (54-121°C) temperature range.\u003cbr\u003e\u003cbr\u003ePressure changes at the diaphragm convert to accurate mechanical movements that are indicated on an easy-to-read analog dial. A pulsation dampener in the pressure port helps eliminate pointer flutter. It can be removed for cleaning to maintain the gage’s response and accuracy.\u003cbr\u003e\u003cbr\u003eThe B-Series can be utilized in industrial engines and equipment in the oil field, marine, irrigation, construction and trucking industries as well as monitoring engine coolant, crankcase oil and transmission oil.\u003c\/p\u003e","brand":"Murphy","offers":[{"title":"Default Title","offer_id":47961449464030,"sku":"20BTG-250-4-1\/2","price":78.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8985\/5966\/files\/10702523_03.jpg?v=1772947552"},{"product_id":"20p-ip1-100-pressure-swichgage-05703252","title":"20P-IP1-100 Pressure Swichgage (05703252)","description":"\u003ch3\u003e20P-IP1-100: 2\" Pressure Swichgage®;  Light Pipe Illumination, 12 VDC; Illumination option (05703252)\u003c\/h3\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eIP1 = Light pipe illumination, 12 VDC\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eRange: 0-100 psi (0-689 kPa)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Murphy 0-100 PSI Mechanical Pressure Swichgage Light Pipe Illuminated 20P-IP1-100 is a diaphragm-actuated, pressure-indicating gage with a built-in electrical switch. This swichgage is used for tripping alarms and\/or shutdown devices. The gage mechanism is enclosed in a steel case coated to resist corrosion. A polycarbonate, break-resistant lens and a polished, stainless steel bezel help protect this rugged, built-to-last instrument. Accuracy and protection from moderate overpressure is assured by a unique, unitized diaphragm chamber. A built-in pulsation dampener helps eliminate pointer flutter and is removable for cleaning.\u003cbr\u003e\u003cbr\u003eThe gage pointer acts as a pressure indicator and as one switch pole which completes a circuit when it touches the adjustable limit contact. Contacts are grounded through the Swichgage case and have self-cleaning motion to ensure electrical continuity. The gage pointer makes with an adjustable contact to complete a pilot-duty circuit. Specifically designed to protect engines\/equipment in oil field, marine, irrigation, construction and trucking applications to monitor engine lube pressure, water pump pressure, hydraulic pressure and air pressure.\u003c\/p\u003e","brand":"Murphy","offers":[{"title":"Default Title","offer_id":47961449726174,"sku":"20P-IP1-100","price":88.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8985\/5966\/files\/05703252_01.jpg?v=1772947706"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/8985\/5966\/collections\/10702043_01.jpg?v=1772928061","url":"https:\/\/www.aandlsystems.com\/collections\/engine-gauges.oembed","provider":"A\u0026L Systems NexGen","version":"1.0","type":"link"}