{"product_id":"taco-sr-503-switching-relay","title":"Taco SR-503 Switching Relay","description":"\u003cp\u003e\u003cspan\u003eThe Taco SR503 is a dependable three-zone switching relay designed for hydronic heating systems. It offers straightforward wiring, built-in LED indicators for easy diagnostics, and rugged construction for reliable control of multiple circulators or zone valves. Ideal for residential and light commercial applications, the SR503 provides efficient and trusted multi-zone control.\u003c\/span\u003e\u003c\/p\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":47668878442663,"sku":"SR503","price":195.17,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/9444\/8807\/files\/SR503.jpg?v=1768592607","url":"https:\/\/pspsupply.com\/products\/taco-sr-503-switching-relay","provider":"Park Slope Plumbing Supply","version":"1.0","type":"link"}