{"product_id":"honeywell-home-503-closed-circuit-fixed-temperature-135-heat-detector","title":"Honeywell Home 503 Closed-Circuit Fixed Temperature 135° Heat Detector","description":"Fixed temperature closed-circuit heat detector with 135° detection capability. Covers up to 400 feet of protected space, making it suitable for residential and commercial applications requiring reliable thermal monitoring. Closed-circuit design ensures consistent performance for fire safety systems. Ideal for areas where early heat detection is critical to home and property protection.","brand":"Raztechs","offers":[{"title":"Default Title","offer_id":50066289099029,"sku":null,"price":75.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0847\/5394\/0757\/files\/1_05661de0-2715-4c41-9e55-5fca895d9db1.jpg?v=1785568780","url":"https:\/\/www.raztechs.com\/products\/honeywell-home-503-closed-circuit-fixed-temperature-135-heat-detector","provider":"Raztechs","version":"1.0","type":"link"}