{"product_id":"pool-link-500-series-in-line-flow-switch-gems","title":"Pool Link 500 Series, In Line Flow Switch (Gems)","description":"\u003cp data-path-to-node=\"0\" class=\"first-token\"\u003e\u003cspan class=\"\"\u003eThe \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"4\" class=\"\"\u003ePool Link 500 Series In-Line Flow Switch (Gems)\u003c\/b\u003e\u003cspan\u003e (Pool Link \/ Link Automation) is a commercial-grade,\u003c\/span\u003e\u003cspan\u003e inline magnetic shuttle safety interlock switch engineered for Pool Link 500 and 501 Series automation controllers.\u003c\/span\u003e\u003cspan\u003e Manufactured around an industrial \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"255\"\u003eGems Sensors\u003c\/b\u003e\u003cspan\u003e liquid flow-switch platform,\u003c\/span\u003e\u003cspan\u003e it installs directly in the primary sample bypass loop or feed line.\u003c\/span\u003e\u003cspan\u003e It acts as a dedicated electrical interlock to immediately disable all chemical feed outputs (chlorine\/bromine feeders,\u003c\/span\u003e\u003cspan\u003e acid metering pumps,\u003c\/span\u003e\u003cspan\u003e and \u003c\/span\u003e\u003cspan class=\"math-inline\" data-math=\"CO_2\" data-index-in-node=\"511\"\u003e$CO_2$\u003c\/span\u003e\u003cspan\u003e solenoid valves) the instant water circulation falls below critical operating thresholds.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"2\"\u003eHardware Architecture \u0026amp; Operational Dynamics\u003c\/h3\u003e\n\u003cp data-path-to-node=\"3\"\u003e\u003cspan\u003eEngineered for reliable,\u003c\/span\u003e\u003cspan\u003e continuous operation in chemically aggressive mechanical rooms:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"4\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,0,0\"\u003e\u003cb data-path-to-node=\"4,0,0\" data-index-in-node=\"0\"\u003eHermetically Sealed Reed Capsule:\u003c\/b\u003e\u003cspan\u003e The electrical switching element is completely isolated from the wetted water passage within an external non-magnetic chamber.\u003c\/span\u003e\u003cspan\u003e A high-reliability Form A reed switch actuates via magnetic coupling,\u003c\/span\u003e\u003cspan\u003e preventing water contact,\u003c\/span\u003e\u003cspan\u003e chemical attack,\u003c\/span\u003e\u003cspan\u003e or pin oxidation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,1,0\"\u003e\u003cb data-path-to-node=\"4,1,0\" data-index-in-node=\"0\"\u003eInternal Magnetic Shuttle \/ Piston:\u003c\/b\u003e\u003cspan\u003e Water entering the switch displaces an internal spring-loaded or gravity-biased magnetic piston.\u003c\/span\u003e\u003cspan\u003e When flow reaches the set actuation velocity,\u003c\/span\u003e\u003cspan\u003e the internal magnet aligns with the reed switch to close the circuit.\u003c\/span\u003e\u003cspan\u003e When flow drops,\u003c\/span\u003e\u003cspan\u003e the return mechanism pulls the shuttle back,\u003c\/span\u003e\u003cspan\u003e breaking the circuit instantly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,2,0\"\u003e\u003cb data-path-to-node=\"4,2,0\" data-index-in-node=\"0\"\u003eFouling-Resistant In-Line Design:\u003c\/b\u003e\u003cspan\u003e Unlike paddle-wheel or flapper designs,\u003c\/span\u003e\u003cspan\u003e the Gems inline shuttle has no rotating pins,\u003c\/span\u003e\u003cspan\u003e exposed hinges,\u003c\/span\u003e\u003cspan\u003e or flexible vanes that can become tangled with hair,\u003c\/span\u003e\u003cspan\u003e lint,\u003c\/span\u003e\u003cspan\u003e or debris from high-bather-load commercial pools.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,3,0\"\u003e\u003cb data-path-to-node=\"4,3,0\" data-index-in-node=\"0\"\u003eChemical-Grade Polymer or Brass\/316 SS Body:\u003c\/b\u003e\u003cspan\u003e Typically molded from glass-reinforced Noryl,\u003c\/span\u003e\u003cspan\u003e Ryton (PPS),\u003c\/span\u003e\u003cspan\u003e or machined brass\/stainless steel with fluorocarbon (Viton) or EPDM dynamic seals,\u003c\/span\u003e\u003cspan\u003e providing high resistance to liquid chlorine,\u003c\/span\u003e\u003cspan\u003e muriatic acid,\u003c\/span\u003e\u003cspan\u003e and ozone off-gassing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,4,0\"\u003e\u003cb data-path-to-node=\"4,4,0\" data-index-in-node=\"0\"\u003eController Interface:\u003c\/b\u003e\u003cspan\u003e Supplies a dry contact closure directly to the low-voltage \u003c\/span\u003e\u003ccode data-path-to-node=\"4,4,0\" data-index-in-node=\"81\"\u003eFLOW\u003c\/code\u003e\u003cspan\u003e terminals on the Pool Link 501 mainboard,\u003c\/span\u003e\u003cspan\u003e signaling a fail-safe shutdown within seconds of flow loss.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"6\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eCompatible Systems:\u003c\/b\u003e\u003cspan\u003e Pool Link 501,\u003c\/span\u003e\u003cspan\u003e Pool Link 500 Series,\u003c\/span\u003e\u003cspan\u003e and Link Automation commercial controllers.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eSwitch Contact Configuration:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"7,1,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,1,0,0\"\u003e\u003cspan\u003eSealed SPST Form A dry contact (Normally Open - NO under zero flow).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,1,1,0\"\u003e\u003cspan\u003eContact closes on flow increase; opens on flow loss.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,1,2,0\"\u003e\u003cspan\u003eElectrical rating:\u003c\/span\u003e\u003cspan\u003e Up to 24V AC\/DC,\u003c\/span\u003e\u003cspan\u003e 0.\u003c\/span\u003e\u003cspan\u003e5A to 1.\u003c\/span\u003e\u003cspan\u003e0A maximum switching current.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003eFlow Actuation Parameters:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"7,2,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,1,0,0\"\u003e\u003cb data-path-to-node=\"7,2,1,0,0\" data-index-in-node=\"0\"\u003eCut-In (Flow Switch Closes):\u003c\/b\u003e\u003cspan\u003e Typically \u003c\/span\u003e\u003cb data-path-to-node=\"7,2,1,0,0\" data-index-in-node=\"39\"\u003e0.50 to 0.75 GPM\u003c\/b\u003e\u003cspan\u003e (approx.\u003c\/span\u003e\u003cspan\u003e 1.\u003c\/span\u003e\u003cspan\u003e9 to 2.\u003c\/span\u003e\u003cspan\u003e8 LPM).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,1,1,0\"\u003e\u003cb data-path-to-node=\"7,2,1,1,0\" data-index-in-node=\"0\"\u003eCut-Out (Flow Switch Opens):\u003c\/b\u003e\u003cspan\u003e Typically \u003c\/span\u003e\u003cb data-path-to-node=\"7,2,1,1,0\" data-index-in-node=\"39\"\u003e0.30 to 0.40 GPM\u003c\/b\u003e\u003cspan\u003e (approx.\u003c\/span\u003e\u003cspan\u003e 1.\u003c\/span\u003e\u003cspan\u003e1 to 1.\u003c\/span\u003e\u003cspan\u003e5 LPM).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003eMaximum Working Pressure:\u003c\/b\u003e\u003cspan\u003e Up to \u003c\/span\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"32\"\u003e100 PSI\u003c\/b\u003e\u003cspan\u003e (approx.\u003c\/span\u003e\u003cspan\u003e 6.\u003c\/span\u003e\u003cspan\u003e89 bar) in rigid pipe runs; rated to \u003c\/span\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"88\"\u003e50 PSI\u003c\/b\u003e\u003cspan\u003e (approx.\u003c\/span\u003e\u003cspan\u003e 3.\u003c\/span\u003e\u003cspan\u003e45 bar) when integrated into acrylic bypass loops.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,4,0\"\u003e\u003cb data-path-to-node=\"7,4,0\" data-index-in-node=\"0\"\u003eOperating Water Temperature:\u003c\/b\u003e\u003cspan\u003e 32°F to 140°F (0°C to 60°C).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,5,0\"\u003e\u003cb data-path-to-node=\"7,5,0\" data-index-in-node=\"0\"\u003ePlumbing Interfaces:\u003c\/b\u003e\u003cspan\u003e Standard 1\/2\" NPT or 3\/4\" NPT female\/male threads (often adapted to 3\/8\" OD compression fittings for flexible bypass tubing).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,6,0\"\u003e\u003cb data-path-to-node=\"7,6,0\" data-index-in-node=\"0\"\u003eElectrical Lead:\u003c\/b\u003e\u003cspan\u003e Standard \u003c\/span\u003e\u003cb data-path-to-node=\"7,6,0\" data-index-in-node=\"26\"\u003e10-foot\u003c\/b\u003e\u003cspan\u003e (approx.\u003c\/span\u003e\u003cspan\u003e 3.\u003c\/span\u003e\u003cspan\u003e0 m) 2-conductor shielded or PVC-jacketed 18–22 AWG instrumentation cable.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"9\"\u003eInstallation \u0026amp; Alignment Guidelines\u003c\/h3\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-path-to-node=\"10,0,0\" data-index-in-node=\"0\"\u003eFlow Orientation:\u003c\/b\u003e\u003cspan\u003e Pay strict attention to the directional flow arrow molded or stamped on the Gems switch body.\u003c\/span\u003e\u003cspan\u003e Reverse installation prevents the shuttle from moving toward the reed contact,\u003c\/span\u003e\u003cspan\u003e resulting in a permanent \"NO FLOW\" condition.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"0\"\u003eMounting Attitude:\u003c\/b\u003e\u003cspan\u003e Best installed in a \u003c\/span\u003e\u003cb data-path-to-node=\"10,1,0\" data-index-in-node=\"39\"\u003evertical pipe run with flow moving upward\u003c\/b\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cspan\u003e This orientation utilizes both gravity and spring tension for clean,\u003c\/span\u003e\u003cspan\u003e rapid shuttle return when circulation stops.\u003c\/span\u003e\u003cspan\u003e If mounted horizontally,\u003c\/span\u003e\u003cspan\u003e ensure the electrical housing sits upright and verify the model is equipped with a positive spring return.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-path-to-node=\"10,2,0\" data-index-in-node=\"0\"\u003eUpstream Clearance:\u003c\/b\u003e\u003cspan\u003e To prevent turbulence from causing shuttle chatter,\u003c\/span\u003e\u003cspan\u003e provide at least 5 pipe diameters of straight,\u003c\/span\u003e\u003cspan\u003e unobstructed pipe upstream of the switch inlet.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"attachment-container unknown md-has-block-component\"\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003csequence class=\"lm-enabled ng-star-inserted\"\u003e\u003cdiv role=\"list\" class=\"sequence-container\" jslog=\"308913;track:impression,attention\" data-hveid=\"0\" decode-data-ved=\"1\" data-ved=\"0CAAQse0SahgKEwjHxM7M582XAxUAAAAAHQAAAAAQhgU\"\u003e\n\u003cdiv role=\"listitem\" class=\"sequence-event ng-star-inserted\"\u003e\u003cdiv class=\"sequence-event-content\"\u003e\u003cdiv class=\"sequence-event-description gds-body-l\"\u003e\n\u003cspan only-show-to-message-actions=\"\" data-test-id=\"sequence-export-header\" class=\"only-show-to-message-actions\"\u003e\u003cstrong\u003e\u003c!----\u003e\u003c!----\u003e1.\u003c!----\u003e\u003c!----\u003eDe-energize Controller and Isolate Flow:\u003c!----\u003e\u003c\/strong\u003eSafety Prerequisite.\u003c!----\u003e\u003c!----\u003e\u003c\/span\u003e\u003cstructured-node-sequence _nghost-ng-c1241692568=\"\" class=\"ng-star-inserted\"\u003e\u003cstructured-text _ngcontent-ng-c1241692568=\"\" class=\"ng-star-inserted\"\u003e\u003c!----\u003e\u003c!----\u003e\u003cp class=\"ng-star-inserted\"\u003eDisconnect main AC power to the legacy 1000 Series controller enclosure. Close the bypass supply and return isolation valves to relieve hydraulic pressure in the probe manifold.\u003c\/p\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003ci\u003eVerification:\u003c\/i\u003e Pressure gauge on the manifold reads 0 PSI and the controller display is unpowered.\u003c\/p\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c\/structured-text\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/structured-node-sequence\u003e\u003c!----\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv role=\"listitem\" class=\"sequence-event ng-star-inserted\"\u003e\u003cdiv class=\"sequence-event-content\"\u003e\u003cdiv class=\"sequence-event-description gds-body-l\"\u003e\n\u003cspan only-show-to-message-actions=\"\" data-test-id=\"sequence-export-header\" class=\"only-show-to-message-actions\"\u003e\u003cstrong\u003e\u003c!----\u003e\u003c!----\u003e2.\u003c!----\u003e\u003c!----\u003eRemove the Existing Temperature Sensor:\u003c!----\u003e\u003c\/strong\u003e5 min.\u003c!----\u003e\u003c!----\u003e\u003c\/span\u003e\u003cstructured-node-sequence _nghost-ng-c1241692568=\"\" class=\"ng-star-inserted\"\u003e\u003cstructured-text _ngcontent-ng-c1241692568=\"\" class=\"ng-star-inserted\"\u003e\u003c!----\u003e\u003c!----\u003e\u003cp class=\"ng-star-inserted\"\u003eDisconnect the two temperature sensor wires from the controller's mainboard terminal strip (noting polarity\/terminal designations). Unscrew the sensor probe from the acrylic manifold port counter-clockwise using an open-end wrench.\u003c\/p\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003ci\u003eVerification:\u003c\/i\u003e Port threads are clean and free of remnants from old Teflon tape or cracked plastic.\u003c\/p\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c\/structured-text\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/structured-node-sequence\u003e\u003c!----\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv role=\"listitem\" class=\"sequence-event ng-star-inserted\"\u003e\u003cdiv class=\"sequence-event-content\"\u003e\u003cdiv class=\"sequence-event-description gds-body-l\"\u003e\n\u003cspan only-show-to-message-actions=\"\" data-test-id=\"sequence-export-header\" class=\"only-show-to-message-actions\"\u003e\u003cstrong\u003e\u003c!----\u003e\u003c!----\u003e3.\u003c!----\u003e\u003c!----\u003eInstall and Wire Replacement Probe:\u003c!----\u003e\u003c\/strong\u003e5 min.\u003c!----\u003e\u003c!----\u003e\u003c\/span\u003e\u003cstructured-node-sequence _nghost-ng-c1241692568=\"\" class=\"ng-star-inserted\"\u003e\u003cstructured-text _ngcontent-ng-c1241692568=\"\" class=\"ng-star-inserted\"\u003e\u003c!----\u003e\u003c!----\u003e\u003cp class=\"ng-star-inserted\"\u003eApply 2 to 3 wraps of PTFE thread sealing tape to the new sensor's male NPT threads. Hand-tighten into the flow cell port and snug an additional 1 turn with a wrench. Route the cable into the low-voltage knock-out and secure the leads into the temperature terminals.\u003c\/p\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003ci\u003eVerification:\u003c\/i\u003e Sensor is seated firmly without leaking under line pressure, and wire terminals are clamped tight.\u003c\/p\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c\/structured-text\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/structured-node-sequence\u003e\u003c!----\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv role=\"listitem\" class=\"sequence-event ng-star-inserted\"\u003e\u003cdiv class=\"sequence-event-content\"\u003e\u003cdiv class=\"sequence-event-description gds-body-l\"\u003e\n\u003cspan only-show-to-message-actions=\"\" data-test-id=\"sequence-export-header\" class=\"only-show-to-message-actions\"\u003e\u003cstrong\u003e\u003c!----\u003e\u003c!----\u003e4.\u003c!----\u003e\u003c!----\u003ePower Up and Calibrate:\u003c!----\u003e\u003c\/strong\u003e3 min.\u003c!----\u003e\u003c!----\u003e\u003c\/span\u003e\u003cstructured-node-sequence _nghost-ng-c1241692568=\"\" class=\"ng-star-inserted\"\u003e\u003cstructured-text _ngcontent-ng-c1241692568=\"\" class=\"ng-star-inserted\"\u003e\u003c!----\u003e\u003c!----\u003e\u003cp class=\"ng-star-inserted\"\u003eRestore AC power to the controller and open bypass isolation valves. Compare the controller's displayed water temperature against an independent calibrated handheld thermometer or photometer reading taken at the petcock.\u003c\/p\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003ci\u003eVerification:\u003c\/i\u003e Displayed temperature stabilizes and tracks within \u003cspan class=\"math-inline\" data-math=\"\\pm 1^\\circ\\text{F}\" data-index-in-node=\"286\"\u003e$\\pm 1^\\circ\\text{F}$\u003c\/span\u003e of the reference thermometer.\u003c\/p\u003e\u003c\/structured-text\u003e\u003c\/structured-node-sequence\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/sequence\u003e\n\u003c\/div\u003e","brand":"Commercial Pool and Spa Supplies","offers":[{"title":"Default Title","offer_id":67968926351471,"sku":"LINK-FS","price":573.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/3785\/3807\/files\/FSW500_m.jpg?v=1792681252","url":"https:\/\/commercialpoolandspasupplies.com\/products\/pool-link-500-series-in-line-flow-switch-gems","provider":"Commercial Pool and Spa Supplies ","version":"1.0","type":"link"}