{"product_id":"solenoid-coil-tester-portable-key-ring-pump-circuit-tester","title":"Solenoid Coil Tester – Portable Key Ring Pump Circuit Tool","description":"\u003ch2\u003eSolenoid Coil Tester – Compact Key Ring Tool for Pump \u0026amp; Circuit Verification\u003c\/h2\u003e\n\u003cp\u003eKeep your heating systems, oil burners, and circulation pumps running at peak performance with this \u003cstrong\u003ehigh-precision Solenoid Coil Tester\u003c\/strong\u003e. Compact enough to clip onto a key ring, this ABS-built tester is the go-to diagnostic instrument for plumbers, HVAC technicians, and DIY homeowners who need fast, reliable pump and circuit verification without the hassle of bulky equipment.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeasonal Maintenance Essential:\u003c\/strong\u003e Inspect pump conditions before winter shutdowns or after extended idle periods to guarantee a smooth heating system startup every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstant Rotational Feedback:\u003c\/strong\u003e A clear indicator system visualises magnetic fields immediately, providing real-time pump rotation confirmation and streamlining your maintenance workflow.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Application Range:\u003c\/strong\u003e Test heating circulation pumps, inspect oil burners, and support a variety of heating and electrical systems — one compact tool, multiple uses.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePortable \u0026amp; Key Ring Ready:\u003c\/strong\u003e At just 6 × 1.9 × 1 cm (approx. 2.36 × 0.75 × 0.39 in), this tester slips onto any key ring so it's always within reach on the job or at home.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEffortless Red-White Screw Operation:\u003c\/strong\u003e The simple red-white screw rotation design lets you visually confirm circuit direction and pump rotation at a glance — no complicated setup required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable ABS Construction:\u003c\/strong\u003e Built from tough, lightweight ABS material for long-lasting everyday use in both home and commercial environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Coil Tester\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e ABS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Size:\u003c\/strong\u003e Approx. 6 × 1.9 × 1 cm \/ 2.36 × 0.75 × 0.39 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e Not required\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCoil Tester × 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Slight colour variation may occur due to lighting and photography angles. Product dimensions are manually measured and may have minor tolerances.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does this solenoid coil tester actually do?\u003c\/h4\u003e\n\u003cp\u003eA: The solenoid coil tester detects the presence and direction of a magnetic field generated by solenoid coils in circulation pumps, oil burners, and other electrical components. By using its red-white screw rotation indicator, technicians can instantly confirm whether a pump coil is energised and which direction it is rotating — without disassembling the unit.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the solenoid coil tester require batteries?\u003c\/h4\u003e\n\u003cp\u003eA: No batteries are required. The tester operates passively by responding to the magnetic field of the solenoid coil it is placed near, making it a maintenance-free, always-ready diagnostic tool.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this tester suitable for home use, or is it only for professionals?\u003c\/h4\u003e\n\u003cp\u003eA: This tester is designed for both home and commercial use. Its simple operation and compact key ring form factor make it accessible for DIY homeowners checking their own heating systems, as well as professional plumbers and HVAC technicians needing a reliable on-the-go tool.\u003c\/p\u003e\n\u003ch4\u003eQ: Which systems is this solenoid tester compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: It is compatible with a wide range of heating circulation pumps, oil burner solenoids, and general electrical coil components found in residential and commercial heating, refrigeration, and industrial maintenance systems.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does this solenoid coil tester actually do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The solenoid coil tester detects the presence and direction of a magnetic field generated by solenoid coils in circulation pumps, oil burners, and other electrical components. By using its red-white screw rotation indicator, technicians can instantly confirm whether a pump coil is energised and which direction it is rotating — without disassembling the unit.\"}}, {\"@type\": \"Question\", \"name\": \"Does the solenoid coil tester require batteries?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No batteries are required. The tester operates passively by responding to the magnetic field of the solenoid coil it is placed near, making it a maintenance-free, always-ready diagnostic tool.\"}}, {\"@type\": \"Question\", \"name\": \"Is this tester suitable for home use, or is it only for professionals?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This tester is designed for both home and commercial use. Its simple operation and compact key ring form factor make it accessible for DIY homeowners checking their own heating systems, as well as professional plumbers and HVAC technicians needing a reliable on-the-go tool.\"}}, {\"@type\": \"Question\", \"name\": \"Which systems is this solenoid tester compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It is compatible with a wide range of heating circulation pumps, oil burner solenoids, and general electrical coil components found in residential and commercial heating, refrigeration, and industrial maintenance systems.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Solenoid Coil Tester – Portable Key Ring Pump Circuit Tool\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/solenoid-coil-tester-portable-key-ring-pump-circuit-tester\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"Default Title","offer_id":44166649282647,"sku":"\u003cnone\u003e","price":24.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/Sf9cda24f31f54e2e94a859ce8b9bf93d5.webp?v=1786741936","url":"https:\/\/axlcustomersupport.com\/products\/solenoid-coil-tester-portable-key-ring-pump-circuit-tester","provider":"Axl","version":"1.0","type":"link"}