{"product_id":"coleman-mach-9630a751-zone-control-box-heat-pump","title":"Coleman Mach 9630A751 Heat-Ready Multi Zone Control Kit","description":"\u003cp class=\"nvn-hero\"\u003eThe Coleman Mach 9630A751 is the 12-volt heat-pump zone control box for a 9-Series multi-zone RV system. It lets one wall thermostat run up to four rooftop air conditioners or heat pumps, room by room. Ships with the control box assembly and evaporator freeze sensor, and pairs with the 9330A3341 or 9330A3351 thermostat, sold separately.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eThe Coleman Mach 9630A751 is the 12-volt zone control box at the heart of a Coleman Mach 9-Series multi-zone system. If you've got a bigger coach with more than one rooftop unit, this is the piece that lets a single wall thermostat run all of them, room by room, instead of everybody fighting over one temperature setting.\u003c\/p\u003e\n\u003cp\u003eHere's the short version. The 9630A751 is the heat-pump version of the 9-Series control box. It talks to the rooftop air conditioner on one side and to the multi-zone thermostat on the other, and it decides when that zone calls for cooling or heat. Because it's the heat-pump box, it'll drive a Coleman Mach heat-pump unit for warmth on top of cooling, and it's still heat-ready for optional electric strip heat if you'd rather add that later. One box per air conditioner.\u003c\/p\u003e\n\u003cp\u003eA full 9-Series setup can manage up to four rooftop air conditioners or heat pumps plus up to four separate heat zones, all from one 9330A3341 (black) or 9330A3351 (white) thermostat at the wall. That thermostat is sold separately, and you'll want one control box like this for each AC in the rig. The boxes daisy-chain through the thermostat wiring, so a two or three unit coach wires up cleanly without a rat's nest behind the panel.\u003c\/p\u003e\n\u003cp\u003eWhat actually shows up in the kit is the control box assembly and the evaporator freeze sensor that mounts at the coil. The thermostat, the heat strips, and the air conditioner itself are all separate purchases. So if you're replacing a failed control box, this is the right part to grab. If you're building a zone system from scratch, plan on the thermostat and one box for each unit.\u003c\/p\u003e\n\u003cp\u003eFitment matters here, so read this part. The 9-Series is not backward compatible with the older 8-Series controls. You can't drop a 9630A751 into an 8-Series system and expect it to play nice. When you go 9-Series, the thermostat and every zone box come along together. If your current setup is 8-Series, budget for the whole conversion, not just one box.\u003c\/p\u003e\n\u003cp\u003eThe box itself is compact, roughly 13-7\/8 by 4-3\/8 by 2-1\/8 inches, so it tucks up in the air conditioner plenum or ceiling cavity where the wiring already runs. It's 12 VDC, so it ties into the coach's existing DC control circuit rather than needing its own power supply. Anybody comfortable pulling an AC shroud and reading a Coleman Mach wiring diagram can handle the swap. If working around the 120-volt side of a rooftop unit makes you nervous, this is a good one to hand to your RV tech.\u003c\/p\u003e\n\u003cp\u003eWho's this really for? Owners of larger fifth wheels, diesel pushers, and toy haulers that came from the factory with two or three rooftop units. On a hot afternoon you cool the bedroom down for a nap while the living room stays moderate, then flip it at night. In the shoulder seasons the heat-pump side takes the morning chill off without firing the propane furnace, which is easier on your tanks and quieter at 6 a.m. That room-by-room control is the whole point of a 9-Series system, and this box is what makes it work on the heat-pump units.\u003c\/p\u003e\n\u003cp\u003eOne honest note. The generic \"Heat Ready Multi Zone Control Kit\" label covers the whole 9-Series family, but this specific part number, 9630A751, is the heat-pump-capable box. If your system runs standard cool-only or heat-strip-only units, double-check the box part number against your Coleman Mach install sheet before you order. Get the right box for your units and the zone system just works. Coleman backs it with a 90-day limited manufacturer warranty, and it carries genuine part number 9630A751 so you know you're getting the real board and not a guess.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"nvn-features\"\u003e\n  \u003cli\u003e12 VDC operation ties into the coach's existing DC control circuit, no separate power supply to run\u003c\/li\u003e\n  \u003cli\u003eControls up to four rooftop air conditioners or heat pumps plus up to four separate heat zones from one wall thermostat\u003c\/li\u003e\n  \u003cli\u003eHeat-pump capable box drives Coleman Mach heat-pump units for warmth and is still heat-ready for optional electric strip heat\u003c\/li\u003e\n  \u003cli\u003ePairs with the Coleman Mach 9330A3341 (black) or 9330A3351 (white) multi-zone thermostat, sold separately\u003c\/li\u003e\n  \u003cli\u003eShips with the control box assembly and the evaporator freeze sensor that mounts at the coil\u003c\/li\u003e\n  \u003cli\u003e9-Series digital topology lets zone boxes daisy-chain through the thermostat wiring for a clean multi-unit install\u003c\/li\u003e\n  \u003cli\u003eCompact 13-7\/8 x 4-3\/8 x 2-1\/8 in box tucks into the AC plenum or ceiling cavity\u003c\/li\u003e\n  \u003cli\u003eGenuine Coleman Mach part number 9630A751, built for Coleman rooftop units and backed by a 90-day limited warranty\u003c\/li\u003e\n  \u003cli\u003eOne box per air conditioner, so it scales from a two-unit coach up to a full four-zone rig\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"nvn-trust\"\u003e\n  \u003ch2\u003eWhy Buy from NVN Marine\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eAuthorized Coleman reseller, full manufacturer warranty\u003c\/li\u003e\n    \u003cli\u003eNMEA member and ABYC certified, advice from real boat techs\u003c\/li\u003e\n    \u003cli\u003eSame-day shipping before 3 PM ET on in-stock items\u003c\/li\u003e\n    \u003cli\u003eNY headquarters and Fort Lauderdale flagship retail store\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"nvn-faq\"\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat does the 9630A751 control box actually do?\u003c\/summary\u003e\n    \u003cp\u003eIt's the brain that sits between a rooftop AC unit and the multi-zone thermostat. It reads the thermostat's call for that zone and switches the air conditioner or heat pump on and off accordingly, so one wall thermostat can run several units independently.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhich thermostat do I need with it?\u003c\/summary\u003e\n    \u003cp\u003eThe Coleman Mach 9330A3341 (black) or 9330A3351 (white) multi-zone thermostat. Both work with this box, and the thermostat is sold separately.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes this work with heat pump air conditioners?\u003c\/summary\u003e\n    \u003cp\u003eYes. The 9630A751 is the heat-pump version of the 9-Series control box, so it drives a Coleman Mach heat-pump unit for both cooling and heat, and it's still heat-ready if you add electric strip heat later.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow many air conditioners can a 9-Series system control?\u003c\/summary\u003e\n    \u003cp\u003eUp to four rooftop air conditioners or heat pumps plus up to four separate heat zones, all from one thermostat. You use one control box like this for each air conditioner in the rig.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes the kit include the thermostat or the heat strips?\u003c\/summary\u003e\n    \u003cp\u003eNo. The kit is the control box assembly and the evaporator freeze sensor. The thermostat, the electric heat strips, and the air conditioner are all separate purchases.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWill it work with my older 8-Series system?\u003c\/summary\u003e\n    \u003cp\u003eNo. The 9-Series is not backward compatible with 8-Series controls. If you're upgrading, the thermostat and every zone box need to move to 9-Series together, not one piece at a time.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat voltage does it run on?\u003c\/summary\u003e\n    \u003cp\u003e12 VDC. It ties into the coach's existing low-voltage control circuit rather than needing its own power supply.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhere does the control box mount?\u003c\/summary\u003e\n    \u003cp\u003eUp in the air conditioner plenum or ceiling cavity near the unit, where the thermostat wiring already runs. At roughly 13-7\/8 by 4-3\/8 by 2-1\/8 inches it fits the space most Coleman rooftop units leave for it.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this a genuine Coleman Mach part?\u003c\/summary\u003e\n    \u003cp\u003eYes. It's genuine Coleman Mach part number 9630A751, backed by a 90-day limited manufacturer warranty.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"nvn-specs\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eTitle\u003c\/th\u003e\n\u003ctd\u003eColeman Mach 9630A751 Heat-Ready Multi Zone Control Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eColeman\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e9630A751\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e755790203116\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003ctd\u003e9000 Series Digital Zone Control\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eControl Type\u003c\/th\u003e\n\u003ctd\u003eHeat Pump Zone Control Box\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eOperating Voltage\u003c\/th\u003e\n\u003ctd\u003e12 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eZone Capacity\u003c\/th\u003e\n\u003ctd\u003eUp to 4 air conditioners or heat pumps plus up to 4 heat zones\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eCompatible Thermostat\u003c\/th\u003e\n\u003ctd\u003e9330A3341 (Black) or 9330A3351 (White), sold separately\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eKit Contents\u003c\/th\u003e\n\u003ctd\u003eControl box assembly and evaporator freeze sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eControl Box Assembly\u003c\/th\u003e\n\u003ctd\u003e9023C879\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eControl Box Dimensions (L x W x H)\u003c\/th\u003e\n\u003ctd\u003e13-7\/8 in x 4-3\/8 in x 2-1\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eSystem Compatibility\u003c\/th\u003e\n\u003ctd\u003eColeman Mach 9-Series (not compatible with 8-Series)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e90-day limited manufacturer warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What does the 9630A751 control box actually do?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's the brain that sits between a rooftop AC unit and the multi-zone thermostat. It reads the thermostat's call for that zone and switches the air conditioner or heat pump on and off accordingly, so one wall thermostat can run several units independently.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Which thermostat do I need with it?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The Coleman Mach 9330A3341 (black) or 9330A3351 (white) multi-zone thermostat. Both work with this box, and the thermostat is sold separately.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does this work with heat pump air conditioners?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. The 9630A751 is the heat-pump version of the 9-Series control box, so it drives a Coleman Mach heat-pump unit for both cooling and heat, and it's still heat-ready if you add electric strip heat later.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How many air conditioners can a 9-Series system control?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Up to four rooftop air conditioners or heat pumps plus up to four separate heat zones, all from one thermostat. You use one control box like this for each air conditioner in the rig.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does the kit include the thermostat or the heat strips?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No. The kit is the control box assembly and the evaporator freeze sensor. The thermostat, the electric heat strips, and the air conditioner are all separate purchases.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Will it work with my older 8-Series system?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No. The 9-Series is not backward compatible with 8-Series controls. If you're upgrading, the thermostat and every zone box need to move to 9-Series together, not one piece at a time.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What voltage does it run on?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"12 VDC. It ties into the coach's existing low-voltage control circuit rather than needing its own power supply.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Where does the control box mount?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Up in the air conditioner plenum or ceiling cavity near the unit, where the thermostat wiring already runs. At roughly 13-7\/8 by 4-3\/8 by 2-1\/8 inches it fits the space most Coleman rooftop units leave for it.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is this a genuine Coleman Mach part?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. 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