{"product_id":"honeywell-th109plus-thermostat","title":"Honeywell TH109PLUS Thermostat","description":"\u003cp data-start=\"0\" data-end=\"375\"\u003eThe Honeywell TH109PLUS is a 240V electronic triac thermostat designed for electric heating applications with a control range of 40°F to 85°F. This line-voltage thermostat is engineered for reliable temperature control in baseboard heaters, convectors, and other electric resistance heating systems requiring precise on\/off regulation without mechanical switching components.\u003c\/p\u003e\n\u003cp data-start=\"377\" data-end=\"795\"\u003eThis triac thermostat uses solid-state switching technology, eliminating relay wear and providing quiet, maintenance-free operation. The 240V configuration makes it suitable for high-voltage electric heating circuits commonly found in residential and light commercial installations. Its temperature sensing and control logic maintain stable room comfort while improving energy efficiency through accurate load cycling.\u003c\/p\u003e\n\u003cp data-start=\"797\" data-end=\"812\"\u003eKey Benefits:\u003c\/p\u003e\n\u003cul data-start=\"813\" data-end=\"1074\"\u003e\n\u003cli data-section-id=\"z7utus\" data-start=\"813\" data-end=\"874\"\u003e240V line-voltage thermostat for electric heating systems\u003c\/li\u003e\n\u003cli data-section-id=\"hooa0j\" data-start=\"875\" data-end=\"910\"\u003eTemperature range: 40°F to 85°F\u003c\/li\u003e\n\u003cli data-section-id=\"142ba82\" data-start=\"911\" data-end=\"962\"\u003eSolid-state triac switching for quiet operation\u003c\/li\u003e\n\u003cli data-section-id=\"1lzfe6\" data-start=\"963\" data-end=\"1018\"\u003eIdeal for baseboard and electric resistance heaters\u003c\/li\u003e\n\u003cli data-section-id=\"78ikmg\" data-start=\"1019\" data-end=\"1074\"\u003eDesigned for reliable, maintenance-free performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1076\" data-end=\"1095\"\u003eCommon Questions:\u003c\/p\u003e\n\u003cul data-start=\"1096\" data-end=\"1401\"\u003e\n\u003cli data-section-id=\"hu41sq\" data-start=\"1096\" data-end=\"1204\"\u003eWhat is this thermostat used for? It controls electric heating systems like baseboards and wall heaters.\u003c\/li\u003e\n\u003cli data-section-id=\"u7gkdl\" data-start=\"1205\" data-end=\"1295\"\u003eDoes it use mechanical contacts? No, it uses a solid-state triac for silent switching.\u003c\/li\u003e\n\u003cli data-section-id=\"vmbwwu\" data-start=\"1296\" data-end=\"1401\"\u003eIs it suitable for 240V systems? Yes, it is designed specifically for 240V line-voltage applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1403\" data-end=\"1593\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":43831619944626,"sku":"TH109PLUS","price":61.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Pic_e326e4a5-9536-4939-9f49-c7da5ea68940.png?v=1775584113","url":"https:\/\/www.gsistore.com\/products\/honeywell-th109plus-thermostat","provider":"GSIstore","version":"1.0","type":"link"}