{"product_id":"1-to-2-vane-type-waterflow-alarm-switch-with-adjustable-retard-vsrs","title":"1\" to 2\" Vane Type Waterflow Alarm Switch with Adjustable Retard VSRS","description":"\u003cp\u003eThe VSR-S is a vane type waterflow switch designed for wet sprinkler systems using 1\", 1¼\", 1½\", or 2\" pipe. It detects water flow of 10 gallons per minute or more and can function as a sectional waterflow detector on larger systems. The unit features two single pole double throw snap action switches housed in a die-cast general purpose enclosure, with an adjustable pneumatic retard mechanism that can be field-replaced.\u003c\/p\u003e\n\u003cp\u003eThe switch actuates only after the selected retard period is overcome, preventing false alarms from momentary flow fluctuations. The retard time delay is field-adjustable from 0 to 90 seconds with an easy-to-read adjustment knob. Compatible with CPVC, copper, brass, and iron pipe materials, the VSR-S comes with all necessary paddles for installation.\u003c\/p\u003e\n\u003cp\u003eThe weatherproof housing includes tamper-resistant screws requiring a special key for removal. Wire terminal designations are clearly marked for straightforward installation. Manufactured in the USA and backed by a 5-year warranty, the VSR-S provides reliable fire protection for sprinkler systems in commercial, industrial, and large residential applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDetects water flow at 10 GPM (38 LPM) or higher on 1\" to 2\" wet sprinkler systems\u003c\/li\u003e\n\u003cli\u003eAdjustable 0–90 second pneumatic retard eliminates false alarms from flow surges\u003c\/li\u003e\n\u003cli\u003eTwo SPDT contacts provide dual signaling capability for alarm and supervisory functions\u003c\/li\u003e\n\u003cli\u003eCompatible with CPVC, copper, brass, and iron pipe—fits standard NPT connections\u003c\/li\u003e\n\u003cli\u003eWeatherproof die-cast housing with tamper-resistant screws and clear wire terminal labels\u003c\/li\u003e\n\u003cli\u003eAssembled and warranted in the USA for 5 years\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kaybee Security","offers":[{"title":"Default Title","offer_id":68261298798813,"sku":"kaybee-VSRS","price":349.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0834\/9912\/2909\/files\/VSRS-1.jpg?v=1792698528","url":"https:\/\/kaybeesecurity.com\/products\/1-to-2-vane-type-waterflow-alarm-switch-with-adjustable-retard-vsrs","provider":"Kaybee Security","version":"1.0","type":"link"}