{"product_id":"521135-suburban-mod-board-iw60","title":"521135 Suburban MOD BOARD IW60","description":"\u003ch1\u003e521135 Suburban MOD BOARD IW60\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003e\u003cem\u003eOEM Ignition\/Control Module for Suburban IW60 Tankless Water Heater\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003e521135\u003c\/strong\u003e is the OEM Suburban \u003cstrong\u003emodule board\u003c\/strong\u003e designed specifically for the \u003cstrong\u003eIW60\u003c\/strong\u003e on‑demand (tankless) water heater. This control board manages ignition, flame sensing, safety lockouts, and burner sequencing for the IW60 system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003e521135 Suburban IW60 module board\u003c\/strong\u003e is the central electronic controller for the IW60 tankless water heater. It governs:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSpark ignition\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eGas‑valve timing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFlame‑sense monitoring\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSafety lockout logic\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBurner modulation and sequencing\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eA failing board can cause ignition failure, intermittent heating, or complete system shutdown. This OEM replacement restores proper operation and is plug‑compatible with the IW60 wiring harness.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003e📐 \u003cstrong\u003eKey Features\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOEM Suburban control board for \u003cstrong\u003eIW60\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eManages ignition, flame sensing, and safety circuits\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDirect replacement for factory module\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for high‑heat tankless compartments\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePCB‑grade durability and stable electronics\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFits IW60 only (not interchangeable with ST‑series or furnace boards)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Laurelhurst","offers":[{"title":"Default Title","offer_id":43094954180674,"sku":"S521135","price":266.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1071\/8320\/files\/521135A.webp?v=1773775407","url":"https:\/\/hvacpartstore.com\/products\/521135-suburban-mod-board-iw60","provider":"HVACpartstore","version":"1.0","type":"link"}