{"product_id":"9430a751-coleman-mach-digital-zone-control-box","title":"9430A751 Coleman MACH Digital Zone Control Box","description":"\u003ch1\u003e9430A751 Coleman MACH Digital Zone Control Box \u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003e9430A751 Coleman‑Mach Digital Zone Control Box\u003c\/strong\u003e is the OEM control module used in RVs equipped with the \u003cstrong\u003edigital multi‑zone Coleman‑Mach thermostat system\u003c\/strong\u003e (non‑5‑button). It serves as the communication hub between the rooftop A\/C units, furnace, heat strip (if equipped), and the interior digital wall thermostat. This control box is required when replacing a failed module in RVs using the Coleman‑Mach digital zone system and ensures proper operation of cooling, heating, fan modes, and multi‑zone coordination.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt uses plug‑style connectors for clean installation and is engineered specifically for the Coleman‑Mach digital architecture—not interchangeable with legacy 5‑button systems or newer Bluetooth\/Smart thermostats. RV technicians rely on this model to restore OEM functionality without requiring a full system upgrade.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch3\u003e🧊 Product Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe 9430A751 supports \u003cstrong\u003emulti‑zone digital control\u003c\/strong\u003e, allowing a single thermostat to manage multiple Coleman‑Mach rooftop units. It handles mode switching, temperature communication, and fan logic across zones. This model is typically paired with the Coleman‑Mach \u003cstrong\u003edigital LCD thermostat\u003c\/strong\u003e (not the 5‑button version) and is used in many mid‑ to high‑end RV HVAC configurations.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eFor use with MACH 8, MACH 10 \u003c\/h2\u003e\n\u003ch2\u003ePairs with digital thermostats like 7330G3351\u003c\/h2\u003e","brand":"Laurelhurst","offers":[{"title":"Default Title","offer_id":42405575786562,"sku":"C9430A751","price":158.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1071\/8320\/files\/OIP_9_fe19e27e-dc6f-4606-9329-e9470b3292ab.webp?v=1755804636","url":"https:\/\/hvacpartstore.com\/products\/9430a751-coleman-mach-digital-zone-control-box","provider":"HVACpartstore","version":"1.0","type":"link"}