{"product_id":"pool-link-legacy-probe-chamber-w-piston-flow-switch","title":"Pool Link Legacy Probe Chamber w\/ Piston Flow Switch","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 Legacy Probe Chamber w\/ Piston Flow Switch\u003c\/b\u003e\u003cspan\u003e is a commercial bypass flow cell manifold engineered for legacy Pool Link automation systems and multi-parameter aquatic chemical controllers.\u003c\/span\u003e\u003cspan\u003e Plumbed into an auxiliary bypass line across the main pool recirculation loop,\u003c\/span\u003e\u003cspan\u003e it provides a stable,\u003c\/span\u003e\u003cspan class=\"\"\u003e non-turbulent sampling stream for analytical electrodes.\u003c\/span\u003e\u003cspan\u003e Instead of a spinning rotary paddle wheel,\u003c\/span\u003e\u003cspan\u003e this variation incorporates a vertical or horizontal magnetic displacement piston (shuttle) assembly,\u003c\/span\u003e\u003cspan\u003e providing robust mechanical interlock actuation that resists fouling from suspended solids,\u003c\/span\u003e\u003cspan\u003e hair,\u003c\/span\u003e\u003cspan\u003e and calcification in high-load commercial pools.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"1\"\u003eSystem Overview \u0026amp; Hardware Architecture\u003c\/h3\u003e\n\u003cp data-path-to-node=\"2\"\u003e\u003cspan\u003eEngineered for continuous chemical monitoring and fail-safe operation in heavy-duty commercial natatoriums and aquatic facilities:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"3\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,0,0\"\u003e\u003cb data-path-to-node=\"3,0,0\" data-index-in-node=\"0\"\u003eMonolithic Machined Acrylic Block:\u003c\/b\u003e\u003cspan\u003e Precision-bored from clear,\u003c\/span\u003e\u003cspan\u003e chemical-resistant cast acrylic.\u003c\/span\u003e\u003cspan\u003e The transparent housing allows operators to inspect probe cleanliness,\u003c\/span\u003e\u003cspan\u003e identify trapped air bubbles,\u003c\/span\u003e\u003cspan\u003e and verify internal piston movement without opening the pressurized sampling line.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,1,0\"\u003e\u003cb data-path-to-node=\"3,1,0\" data-index-in-node=\"0\"\u003ePositive-Displacement Magnetic Piston Assembly:\u003c\/b\u003e\u003cspan class=\"\"\u003e Uses an internal weighted or spring-biased magnetic shuttle\/piston that lifts or shifts when incoming water velocity reaches operating threshold.\u003c\/span\u003e\u003cspan\u003e The embedded magnet triggers an external or encapsulated hermetically sealed reed switch to close the low-voltage safety interlock circuit.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,2,0\"\u003e\u003cb data-path-to-node=\"3,2,0\" data-index-in-node=\"0\" class=\"\"\u003eFouling-Resistant Operation:\u003c\/b\u003e\u003cspan\u003e The linear piston mechanism has no rotating axles or paddle blades,\u003c\/span\u003e\u003cspan\u003e significantly reducing the likelihood of mechanical seizure caused by calcium scaling,\u003c\/span\u003e\u003cspan\u003e hair,\u003c\/span\u003e\u003cspan\u003e lint,\u003c\/span\u003e\u003cspan\u003e or particulate accumulation common in high-load public pools.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,3,0\"\u003e\u003cb data-path-to-node=\"3,3,0\" data-index-in-node=\"0\"\u003eInlet Metering Needle Valve:\u003c\/b\u003e\u003cspan\u003e Chemical-resistant,\u003c\/span\u003e\u003cspan\u003e fine-threaded needle valve located at the sample inlet to regulate bypass velocity and eliminate high-velocity impingement against delicate glass pH and platinum ORP sensing tips.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"3,4,0\"\u003e\u003cb data-path-to-node=\"3,4,0\" data-index-in-node=\"0\"\u003eWater Sample Draw Petcock:\u003c\/b\u003e\u003cspan\u003e Integrated low-pressure sampling valve positioned adjacent to the probe measurement chamber,\u003c\/span\u003e\u003cspan\u003e allowing operators to draw representative pool water for manual photometer,\u003c\/span\u003e\u003cspan\u003e DPD colorimeter,\u003c\/span\u003e\u003cspan\u003e or titrimetric calibration tests.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"5\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul data-path-to-node=\"6\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,0,0\"\u003e\u003cb data-path-to-node=\"6,0,0\" data-index-in-node=\"0\"\u003eSensor Port Layout:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"6,0,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,0,1,0,0\"\u003e\u003cspan\u003eTwo to three threaded or compression gland ports (standard 1\/2\" NPT or 3\/4\" NPT) accommodating combination glass-body pH probes,\u003c\/span\u003e\u003cspan\u003e platinum-band ORP sensors,\u003c\/span\u003e\u003cspan\u003e and temperature probes.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,0,1,1,0\"\u003e\u003cspan\u003eCaptive compression collars and chemical-resistant EPDM\/Viton O-rings to maintain hydraulic seals under pressure.\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=\"6,1,0\"\u003e\u003cb data-path-to-node=\"6,1,0\" data-index-in-node=\"0\"\u003eElectrical Safety Interlock:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"6,1,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,1,1,0,0\"\u003e\u003cspan\u003eHermetically sealed magnetic reed switch actuated by the internal piston magnet.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,1,1,1,0\"\u003e\u003cspan\u003eForm A dry-contact configuration rated up to 24V AC\/DC,\u003c\/span\u003e\u003cspan\u003e 0.\u003c\/span\u003e\u003cspan\u003e5A maximum current.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,1,1,2,0\"\u003e\u003cspan\u003eDirect two-wire terminal or jacketed pigtail lead connecting to the controller's safety interlock loop.\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=\"6,2,0\"\u003e\u003cb data-path-to-node=\"6,2,0\" data-index-in-node=\"0\"\u003eHydraulic Operating Limits:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"6,2,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,2,1,0,0\"\u003e\u003cb data-path-to-node=\"6,2,1,0,0\" data-index-in-node=\"0\"\u003eActuation Flow Rate:\u003c\/b\u003e\u003cspan\u003e Typically closes contact at \u003c\/span\u003e\u003cb data-path-to-node=\"6,2,1,0,0\" data-index-in-node=\"49\"\u003e0.3 to 0.7 GPM\u003c\/b\u003e\u003cspan\u003e (approx.\u003c\/span\u003e\u003cspan\u003e 1.\u003c\/span\u003e\u003cspan\u003e1 to 2.\u003c\/span\u003e\u003cspan\u003e6 LPM) minimum flow velocity.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,2,1,1,0\"\u003e\u003cb data-path-to-node=\"6,2,1,1,0\" data-index-in-node=\"0\"\u003eMaximum Working Pressure:\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003e\u003cb data-path-to-node=\"6,2,1,1,0\" data-index-in-node=\"26\"\u003e50 PSI\u003c\/b\u003e\u003cspan\u003e (approx.\u003c\/span\u003e\u003cspan\u003e 3.\u003c\/span\u003e\u003cspan\u003e45 bar).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,2,1,2,0\"\u003e\u003cb data-path-to-node=\"6,2,1,2,0\" data-index-in-node=\"0\"\u003eOperating Water Temperature:\u003c\/b\u003e\u003cspan\u003e 32°F to 120°F (0°C to 49°C).\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=\"6,3,0\"\u003e\u003cb data-path-to-node=\"6,3,0\" data-index-in-node=\"0\"\u003ePlumbing Connections:\u003c\/b\u003e\u003cspan\u003e Standard 1\/4\" NPT female ports equipped with 3\/8\" OD compression tube adapters for semi-rigid polyethylene sample tubing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Commercial Pool and Spa Supplies","offers":[{"title":"Default Title","offer_id":67968605814895,"sku":"PC511-PFS","price":1771.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/3785\/3807\/files\/AC075-min_800x_cc984834-3579-41ef-937b-600429fe98ea.webp?v=1792679781","url":"https:\/\/commercialpoolandspasupplies.com\/products\/pool-link-legacy-probe-chamber-w-piston-flow-switch","provider":"Commercial Pool and Spa Supplies ","version":"1.0","type":"link"}