{"product_id":"robertshaw-803a-line-voltage-thermostat-for-cooling-mercury-free-spst","title":"Robertshaw 803A Line-Voltage Thermostat for Cooling | Mercury-Free SPST","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Robertshaw 803A is a mercury-free line-voltage thermostat with SPST action, designed to deliver reliable cooling control across a variety of setups. Its bimetal temperature sensing offers stable response and predictable cycling in daily use.\u003c\/p\u003e\n\u003cp\u003eThis thermostat covers a practical range from 50°F to 90°F (10°C to 32°C), helping you dial in comfortable temperatures without guesswork. It works with a range of loads and is suitable for retrofit into many existing electric heat or cooling configurations.\u003c\/p\u003e\n\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMercury-free operation for easier handling and disposal.\u003c\/li\u003e\n  \u003cli\u003eTemperature display for quick at-a-glance setpoint checks.\u003c\/li\u003e\n  \u003cli\u003eBimetal sensing provides improved thermal performance and cycling stability.\u003c\/li\u003e\n  \u003cli\u003eJ-Box compatibility speeds installation and keeps wiring tidy.\u003c\/li\u003e\n  \u003cli\u003ePositive-off switch for reliable shutdown of the HVAC system when needed.\u003c\/li\u003e\n  \u003cli\u003eUniversal replacement design supports retrofitting many existing electric thermostats.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eTemperature control range: 50°F to 90°F (10°C to 32°C).\u003c\/li\u003e\n  \u003cli\u003eElectrical ratings: 25A at 250 VAC RES; 18A at 277 VAC RES; 1 HP at 125 VAC; 2 HP at 250 VAC; 125 VA Pilot Duty.\u003c\/li\u003e\n  \u003cli\u003eForm factor: Line voltage SPST thermostat for cooling applications.\u003c\/li\u003e\n  \u003cli\u003eCompatibility: J-Box-ready; designed for easy retrofit with many electric heat setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eReal-world use scenarios\u003c\/h3\u003e\n\u003cp\u003eIdeal for replacing aging, mercury-containing thermostats in residential or light commercial cooling systems. Its compact design fits standard electrical boxes, while the clear display helps technicians verify settings during commissioning. The mercury-free design reduces disposal considerations and simplifies ongoing maintenance.\u003c\/p\u003e\n\u003cp\u003eAs a universal replacement option, it supports straightforward retrofit paths across different brands and models that rely on line-voltage SPST cooling controls.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the electrical ratings of the 803A?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: 25A at 250 VAC RES, 18A at 277 VAC RES, 1 HP at 125 VAC, 2 HP at 250 VAC, and 125 VA Pilot Duty.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What makes the 803A easy to install?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Mercury-free sensing, positive-off switch, J-Box compatibility, and universal replacement to retrofit many electric thermostats.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Robertshaw","offers":[{"title":"Default Title","offer_id":47467864588462,"sku":"B07F84X2NL","price":87.55,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/6012\/9710\/files\/robertshaw-803a-thermostat-front-view.jpg?v=1770383038","url":"https:\/\/handyskook.ca\/products\/robertshaw-803a-line-voltage-thermostat-for-cooling-mercury-free-spst","provider":"HandySkook","version":"1.0","type":"link"}