{"product_id":"resideo-l8124a1007-u-high-limit-protection-low-limit-circulator-triple-aquastat-relay-high-10-degreef-low-limit-10-25-degree-adj-differential-l8124a1007","title":"Resideo L8124A1007\/U High Limit Protection, Low Limit \u0026 Circulator Triple Aquastat Relay, High = 10-Degree(F), Low Limit = 10-25-Degree Adj Differential, L8124A1007","description":"Immersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems, including domestic hot water service.\u003cbr\u003e\u003cbr\u003e\u003cb\u003e\u003cu\u003eFeatures \u003c\/u\u003e\u003c\/b\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eImmersion-type controllers that combine high limit protection with low limit and circulator control in forced hydronic heating systems. \u003c\/li\u003e\n\u003cli\u003eProvide multizone control by using a separate circulator and R845 Relay for each zone. \u003c\/li\u003e\n\u003cli\u003eInclude diaphragm powerhead and Micro Switch+ assembly that respond to temperature changes in boiler water. \u003c\/li\u003e\n\u003cli\u003eMount directly to boiler. \u003c\/li\u003e\n\u003cli\u003eSelect models include large transformers and extra terminals for supplying power to low voltage zone valves. \u003c\/li\u003e\n\u003cli\u003eRequire 24 Vac thermostat with heat anticipator set at 0.2 A (plus current draw of gas valve on L8124E). \u003c\/li\u003e\n\u003c\/ul\u003e \u003cbr\u003e\u003cb\u003e\u003cu\u003eProduct Specifications\u003c\/u\u003e\u003c\/b\u003e \u003cbr\u003e\u003cb\u003eDescription :\u003c\/b\u003eHigh Limit Protection, Low Limit and Circulation Control Triple Aquastat Relay with High limit : 10 F fixed low limit: 10-25 F adj. Differential \u003cbr\u003e\u003cb\u003eApplication :\u003c\/b\u003e High Limit Protection, Low Limit and Circulation Control \u003cbr\u003e\u003cb\u003eOperating Range, Low Limit (F) :\u003c\/b\u003e 110 F to 220 F adj. \u003cbr\u003e\u003cb\u003eOperating Range, Low Limit (C) :\u003c\/b\u003e 43 C to 104 C adj. \u003cbr\u003e\u003cb\u003eOperating Range, High Limit (F) :\u003c\/b\u003e 130 F to 240 F adj. \u003cbr\u003e\u003cb\u003eOperating Range, High Limit (C) :\u003c\/b\u003e 54 C to 116 C adj. \u003cbr\u003e\u003cb\u003eDifferential Temperature (F) :\u003c\/b\u003e High limit : 10 F fixed; low limit: 10-25 F adj. \u003cbr\u003e\u003cb\u003eMaximum Operating Pressure (psi) :\u003c\/b\u003e 200 psi on outside of immersion well, 100 psi on capsule if inserted directly. \u003cbr\u003e\u003cb\u003eMaximum Operating Pressure (kPa) :\u003c\/b\u003e 1378 kPa on outside of immersion well, 690 kPa on capsule if inserted directly. \u003cbr\u003e\u003cb\u003eElectrical Ratings (burner AFL) :\u003c\/b\u003e 7.4 A @ 120 Vac \u003cbr\u003e\u003cb\u003eElectrical Ratings (burner AFL) :\u003c\/b\u003e 3.7 A @ 240 Vac \u003cbr\u003e\u003cb\u003eElectrical Ratings (burner ALR) :\u003c\/b\u003e 44.4 A @ 120 Vac \u003cbr\u003e\u003cb\u003eElectrical Ratings (burner ALR) :\u003c\/b\u003e 22.2 A @ 240 Vac \u003cbr\u003e\u003cb\u003eElectrical Ratings (circulator AFL) :\u003c\/b\u003e 7.4 A @ 120 Vac \u003cbr\u003e\u003cb\u003eElectrical Ratings (circulator AFL) :\u003c\/b\u003e 3.7 A @ 240 Vac \u003cbr\u003e\u003cb\u003eElectrical Ratings (circulator ALR) :\u003c\/b\u003e 44.4 A @ 120 Vac \u003cbr\u003e\u003cb\u003eElectrical Ratings (circulator ALR) :\u003c\/b\u003e 22.2 A @ 240 Vac \u003cbr\u003e\u003cb\u003eVoltage :\u003c\/b\u003e 120 Vac \u003cbr\u003e\u003cb\u003eDimensions (in.) :\u003c\/b\u003e 6 1\/8 in. high x 4 3\/8 in. wide x 3 1\/16 in. deep \u003cbr\u003e\u003cb\u003eDimensions (mm) :\u003c\/b\u003e 156 mm high x 111 mm wide x 78 mm deep \u003cbr\u003e\u003cb\u003eInsulation Depth (in.) :\u003c\/b\u003e 1 1\/2 in. \u003cbr\u003e\u003cb\u003eInsulation Depth (mm) :\u003c\/b\u003e 38 mm \u003cbr\u003e\u003cb\u003eMounting :\u003c\/b\u003e Vertical Mount \u003cbr\u003e\u003cb\u003eOperating Humidity Range (% RH) :\u003c\/b\u003e 0 to 95% RH, non-condensing \u003cbr\u003e\u003cb\u003eMaximum Ambient Temperature (F) :\u003c\/b\u003e 150 F at switches, 265 F at sensing element. \u003cbr\u003e\u003cb\u003eMaximum Ambient Temperature (C) :\u003c\/b\u003e 66 C at switches, 129 C at sensing element. \u003cbr\u003e\u003cb\u003eApprovals, Underwriters Laboratories Inc :\u003c\/b\u003e UL Listed (models with well): File No. MP466, Guide No. MBPR UL Component Recognized (models without well): File No. MP466, Guide No. MBPR2 \u003cbr\u003e\u003cb\u003eApprovals, Canadian Standards\r\n\u003c\/b\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":53777486971104,"sku":"L8124A1007\/U","price":532.23,"currency_code":"USD","in_stock":true}],"url":"https:\/\/thefirealarmsupplier.com\/products\/resideo-l8124a1007-u-high-limit-protection-low-limit-circulator-triple-aquastat-relay-high-10-degreef-low-limit-10-25-degree-adj-differential-l8124a1007","provider":"The Fire Alarm Supplier","version":"1.0","type":"link"}