{"product_id":"calzsr106","title":"Caleffi Z-one™ ZSR106 Pump Control Relay, 120 V, 20 A","description":"\u003cp\u003eCaleffi Z-one™ Pump Control Relay, Series: ZSR Series, 120 V, 20 A, 20 VA, 50\/60 Hz, 2A at 120 VAC Contact Rating, Screw Terminal, LED Display, 110 deg F, 11 in Overall Length, 3 in Overall Width, 9-1\/4 in Overall Height, For Use With: 2, 3 and 4-Wire Thermostats and Other Low Voltage Controllers\u003c\/p\u003e\u003cp\u003eMulti-zone pump and boiler operating control for multiple zone hydronic heating systems. Interfaces with low voltage thermostats or any other low voltage controllers having a switching action. Controls from 3 to 6 heating circulator pumps (model dependent). Primary pump with LED indicators to provide functional status and easy system troubleshooting. Primary pump system circulator is switched on whenever any zone calls for heat.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeavy-duty, sealed relays\u003c\/li\u003e\n\u003cli\u003eOne primary pump output and 3 to 6 (model dependent) zone pump outputs (120 V\/5 A each)\u003c\/li\u003e\n\u003cli\u003eZone priority selectable with 1 hr time out feature\u003c\/li\u003e\n\u003cli\u003eConvenient R,W,C and T,T,COM dual labeling at thermostat terminals\u003c\/li\u003e\n\u003cli\u003eSystem pump status (on\/off) during priority selectable\u003c\/li\u003e\n\u003cli\u003eDry contacts (XX,AUX, zone 1 E\/S) capable of switching line voltage\u003c\/li\u003e\n\u003cli\u003eAutomatic resettable fuse on 24 V circuit\u003c\/li\u003e\n\u003cli\u003eThree-pump ground terminals for simplified wiring\u003c\/li\u003e\n\u003cli\u003eExpandable to unlimited number of zones using simple three-wire connection between controls\u003c\/li\u003e\n\u003cli\u003eLarge screw terminals for ease of wiring\u003c\/li\u003e\n\u003cli\u003eFront panel LED indicator light for functional status\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Type\u003c\/td\u003e\n\u003ctd\u003eLED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Rating\u003c\/td\u003e\n\u003ctd\u003e110 deg F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eZSR Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Rating\u003c\/td\u003e\n\u003ctd\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Length\u003c\/td\u003e\n\u003ctd\u003e11 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003e20 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Width\u003c\/td\u003e\n\u003ctd\u003e3 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmperage Rating\u003c\/td\u003e\n\u003ctd\u003e20 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Rating\u003c\/td\u003e\n\u003ctd\u003e2A at 120 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e120 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuitable For Use With\u003c\/td\u003e\n\u003ctd\u003e2, 3 and 4-Wire Thermostats and Other Low Voltage Controllers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Height\u003c\/td\u003e\n\u003ctd\u003e9-1\/4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Caleffi","offers":[{"title":"Default Title","offer_id":67952234201402,"sku":"CALZSR106","price":398.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0569\/5238\/9827\/files\/Caleffi_ZSR106.jpg?v=1794262203","url":"https:\/\/nwfsupply.com\/products\/calzsr106","provider":"NWF Supply","version":"1.0","type":"link"}