Why does my furnace come on when electric heat is selected on the thermostat? (Coleman Mach 9420A382 Digital RV Heat Pump Wall Thermostat - Black)

Ask a Question

Related Product

Coleman Mach 9420A382 Digital RV Heat Pump Wall Thermostat - Black Questions & Answers

Coleman Mach 9420A382 Digital RV Heat Pump Wall Thermostat - Black

The Coleman Mach Thermostat is a digital RV wall thermostat designed for a heat pump and gas furnace.

View Product

Browse by Category

RV Air Conditioners

View our complete selection of RV Air Conditioners to find the one that suites your needs.

View All

Go to RVUpgrades Store

RV Q&A Knowledge Base

Related Content

Coleman Mach 9630-3361 Thermostat, Single Stage Heat Pump Digital, Black

Browse by Topic

Appliances
- Air Conditioners
- Air Conditioners
- Appliance Circuit Boards
- Appliance Circuit Boards
- RV Central Vacuum
- RV Central Vacuum
- RV Furnace
- RV Furnace
- RV Microwaves
- RV Microwaves
- RV Range & Hoods
- RV Range & Hoods
- RV Refrigerators
- RV Refrigerators
- RV Water Heaters
- RV Water Heaters
Appliances
- Air Conditioners
- Air Conditioners
- Appliance Circuit Boards
- Appliance Circuit Boards
- RV Central Vacuum
- RV Central Vacuum
- RV Furnace
- RV Furnace
- RV Microwaves
- RV Microwaves
- RV Range & Hoods
- RV Range & Hoods
- RV Refrigerators
- RV Refrigerators
- RV Water Heaters
- RV Water Heaters
Automotive
- Automotive Accessories
- Automotive Accessories
- Camper Tie Downs & Turnbuckles
- Camper Tie Downs & Turnbuckles
- Mirrors
- Mirrors
- Tire Pressure Monitoring Systems
- Tire Pressure Monitoring Systems
- Windshield Wipers
- Windshield Wipers
Automotive
- Automotive Accessories
- Automotive Accessories
- Camper Tie Downs & Turnbuckles
- Camper Tie Downs & Turnbuckles
- Mirrors
- Mirrors
- Tire Pressure Monitoring Systems
- Tire Pressure Monitoring Systems
- Windshield Wipers
- Windshield Wipers
Awning Sun & Shade
- Awning Add A Room
- Awning Add A Room
- Patio Rugs & Mats
- Patio Rugs & Mats
- Shades & Visors
- Shades & Visors
Awning Sun & Shade
- Awning Add A Room
- Awning Add A Room
- Patio Rugs & Mats
- Patio Rugs & Mats
- Shades & Visors
- Shades & Visors
Carriers & Haulers
- Bike Carriers
- Bike Carriers
- Cargo Carriers
- Cargo Carriers
- Motorcycle Carriers
- Motorcycle Carriers
- Sliding Storage Trays
- Sliding Storage Trays
Carriers & Haulers
- Bike Carriers
- Bike Carriers
- Cargo Carriers
- Cargo Carriers
- Motorcycle Carriers
- Motorcycle Carriers
- Sliding Storage Trays
- Sliding Storage Trays
Cleaners
- Chemicals & Lubes
- Chemicals & Lubes
- Exterior RV Cleaners
- Exterior RV Cleaners
- Interior Cleaners
- Interior Cleaners
Cleaners
- Chemicals & Lubes
- Chemicals & Lubes
- Exterior RV Cleaners
- Exterior RV Cleaners
- Interior Cleaners
- Interior Cleaners
Covers
- Adco Air Conditioner Covers
- Adco Air Conditioner Covers
- Class A RV Covers
- Class A RV Covers
- Class C RV Covers
- Class C RV Covers
- Fifth Wheel RV Covers
- Fifth Wheel RV Covers
- Fifth Wheel Skirt Storage Rooms
- Fifth Wheel Skirt Storage Rooms
- Hi Lo Trailer Covers
- Hi Lo Trailer Covers
- Pop-Up Trailer Covers
- Pop-Up Trailer Covers
- Propane Tank Covers
- Propane Tank Covers
- Slide-In Camper Covers
- Slide-In Camper Covers
- Tire Covers
- Tire Covers
- Travel Trailer Covers
- Travel Trailer Covers
- Windshield Covers & Hood Masks
- Windshield Covers & Hood Masks
Covers
- Adco Air Conditioner Covers
- Adco Air Conditioner Covers
- Class A RV Covers
- Class A RV Covers
- Class C RV Covers
- Class C RV Covers
- Fifth Wheel RV Covers
- Fifth Wheel RV Covers
- Fifth Wheel Skirt Storage Rooms
- Fifth Wheel Skirt Storage Rooms
- Hi Lo Trailer Covers
- Hi Lo Trailer Covers
- Pop-Up Trailer Covers
- Pop-Up Trailer Covers
- Propane Tank Covers
- Propane Tank Covers
- Slide-In Camper Covers
- Slide-In Camper Covers
- Tire Covers
- Tire Covers
- Travel Trailer Covers
- Travel Trailer Covers
- Windshield Covers & Hood Masks
- Windshield Covers & Hood Masks
Dinghy Towing
- Blue Ox Base Plates
- Blue Ox Base Plates
- Blue Ox Towbar Repair Parts
- Blue Ox Towbar Repair Parts
- Braking Systems
- Braking Systems
- Drop Receivers
- Drop Receivers
- Protective Equipment
- Protective Equipment
- Toad Charge
- Toad Charge
- Tow Bar Accessories
- Tow Bar Accessories
- Tow Bar Covers
- Tow Bar Covers
- Tow Bars
- Tow Bars
- Towed Wiring Kits
- Towed Wiring Kits
Dinghy Towing
- Blue Ox Base Plates
- Blue Ox Base Plates
- Blue Ox Towbar Repair Parts
- Blue Ox Towbar Repair Parts
- Braking Systems
- Braking Systems
- Drop Receivers
- Drop Receivers
- Protective Equipment
- Protective Equipment
- Toad Charge
- Toad Charge
- Tow Bar Accessories
- Tow Bar Accessories
- Tow Bar Covers
- Tow Bar Covers
- Tow Bars
- Tow Bars
- Towed Wiring Kits
- Towed Wiring Kits
Electrical
- Automatic Transfer Switches
- Automatic Transfer Switches
- Battery Accessories
- Battery Accessories
- Battery Chargers/Maintainers/Conditioners
- Battery Chargers/Maintainers/Conditioners
- Battery Watering Systems
- Battery Watering Systems
- Electrical Accessories
- Electrical Accessories
- Generator Parts & Accessories
- Generator Parts & Accessories
- Generators
- Generators
- Hughes Autoformer
- Hughes Autoformer
- Inverters
- Inverters
- Power Cord Adapters
- Power Cord Adapters
- Power Cordsets
- Power Cordsets
- RV Converters
- RV Converters
- RV Power Cord Reels
- RV Power Cord Reels
- RV Surge Protection
- RV Surge Protection
- Solar Systems
- Solar Systems
Electrical
- Automatic Transfer Switches
- Automatic Transfer Switches
- Battery Accessories
- Battery Accessories
- Battery Chargers/Maintainers/Conditioners
- Battery Chargers/Maintainers/Conditioners
- Battery Watering Systems
- Battery Watering Systems
- Electrical Accessories
- Electrical Accessories
- Generator Parts & Accessories
- Generator Parts & Accessories
- Generators
- Generators
- Hughes Autoformer
- Hughes Autoformer
- Inverters
- Inverters
- Power Cord Adapters
- Power Cord Adapters
- Power Cordsets
- Power Cordsets
- RV Converters
- RV Converters
- RV Power Cord Reels
- RV Power Cord Reels
- RV Surge Protection
- RV Surge Protection
- Solar Systems
- Solar Systems
Electronics
- Antennas & Receivers
- Antennas & Receivers
- Backup Monitors
- Backup Monitors
- Receptacles & Switches
- Receptacles & Switches
- RV GPS Systems
- RV GPS Systems
- RV Stereos & Speakers
- RV Stereos & Speakers
- Seelevel Tank Monitoring System
- Seelevel Tank Monitoring System
- Silver Leaf Monitors
- Silver Leaf Monitors
Electronics
- Antennas & Receivers
- Antennas & Receivers
- Backup Monitors
- Backup Monitors
- Receptacles & Switches
- Receptacles & Switches
- RV GPS Systems
- RV GPS Systems
- RV Stereos & Speakers
- RV Stereos & Speakers
- Seelevel Tank Monitoring System
- Seelevel Tank Monitoring System
- Silver Leaf Monitors
- Silver Leaf Monitors
Fresh Water
- De-Ionizing Systems
- De-Ionizing Systems
- Hose Fittings & Regulators
- Hose Fittings & Regulators
- Plumbing
- Plumbing
- Plumbing Fittings
- Plumbing Fittings
- RV Starter Kits
- RV Starter Kits
- RV Water Softener
- RV Water Softener
- Showerheads
- Showerheads
- Sinks & Faucets
- Sinks & Faucets
- Water Filters & Cartridges
- Water Filters & Cartridges
- Water Hoses
- Water Hoses
- Water Pumps & Fittings
- Water Pumps & Fittings
- Winterizing
- Winterizing
Fresh Water
- De-Ionizing Systems
- De-Ionizing Systems
- Hose Fittings & Regulators
- Hose Fittings & Regulators
- Plumbing
- Plumbing
- Plumbing Fittings
- Plumbing Fittings
- RV Starter Kits
- RV Starter Kits
- RV Water Softener
- RV Water Softener
- Showerheads
- Showerheads
- Sinks & Faucets
- Sinks & Faucets
- Water Filters & Cartridges
- Water Filters & Cartridges
- Water Hoses
- Water Hoses
- Water Pumps & Fittings
- Water Pumps & Fittings
- Winterizing
- Winterizing
Hitches
- Ball Mounts
- Ball Mounts
- Bed Saver
- Bed Saver
- Equal-i-zer Sway Control Hitch
- Equal-i-zer Sway Control Hitch
- Fifth Wheel Hitches
- Fifth Wheel Hitches
- Hitch Balls & Covers
- Hitch Balls & Covers
- Hitch Box Covers
- Hitch Box Covers
- Hitch Couplers
- Hitch Couplers
- Hitch Pins & Locks
- Hitch Pins & Locks
- Receiver Adapters
- Receiver Adapters
- Receiver Hitches
- Receiver Hitches
- Tailgates & Splash Guards
- Tailgates & Splash Guards
- Weight Distributing Hitches
- Weight Distributing Hitches
Hitches
- Ball Mounts
- Ball Mounts
- Bed Saver
- Bed Saver
- Equal-i-zer Sway Control Hitch
- Equal-i-zer Sway Control Hitch
- Fifth Wheel Hitches
- Fifth Wheel Hitches
- Hitch Balls & Covers
- Hitch Balls & Covers
- Hitch Box Covers
- Hitch Box Covers
- Hitch Couplers
- Hitch Couplers
- Hitch Pins & Locks
- Hitch Pins & Locks
- Receiver Adapters
- Receiver Adapters
- Receiver Hitches
- Receiver Hitches
- Tailgates & Splash Guards
- Tailgates & Splash Guards
- Weight Distributing Hitches
- Weight Distributing Hitches
Jacks & Levelers
- Bigfoot Hydraulic Tongue Jacks & Leveling Systems
- Bigfoot Hydraulic Tongue Jacks & Leveling Systems
- Equalizer Hydraulic Jacks and Levelers
- Equalizer Hydraulic Jacks and Levelers
- Levelers
- Levelers
- RV Levels
- RV Levels
- Skid Wheels
- Skid Wheels
- Slide-Out Supports
- Slide-Out Supports
- Socket Jenie
- Socket Jenie
- Stabilizing Jacks
- Stabilizing Jacks
- Tongue Jacks
- Tongue Jacks
- Wheel Chocks & Stops
- Wheel Chocks & Stops
Jacks & Levelers
- Bigfoot Hydraulic Tongue Jacks & Leveling Systems
- Bigfoot Hydraulic Tongue Jacks & Leveling Systems
- Equalizer Hydraulic Jacks and Levelers
- Equalizer Hydraulic Jacks and Levelers
- Levelers
- Levelers
- RV Levels
- RV Levels
- Skid Wheels
- Skid Wheels
- Slide-Out Supports
- Slide-Out Supports
- Socket Jenie
- Socket Jenie
- Stabilizing Jacks
- Stabilizing Jacks
- Tongue Jacks
- Tongue Jacks
- Wheel Chocks & Stops
- Wheel Chocks & Stops
Lippert Repair Parts
- Electric and Hydraulic Slide-Out Parts
- Electric and Hydraulic Slide-Out Parts
- Hydraulic Cylinders
- Hydraulic Cylinders
- Hydraulic Slide-Out Pumps and Parts
- Hydraulic Slide-Out Pumps and Parts
- Slide-Out Motors and Actuators
- Slide-Out Motors and Actuators
Lippert Repair Parts
- Electric and Hydraulic Slide-Out Parts
- Electric and Hydraulic Slide-Out Parts
- Hydraulic Cylinders
- Hydraulic Cylinders
- Hydraulic Slide-Out Pumps and Parts
- Hydraulic Slide-Out Pumps and Parts
- Slide-Out Motors and Actuators
- Slide-Out Motors and Actuators
LP Gas
- Gas Detectors
- Gas Detectors
- LP Accessories
- LP Accessories
- LP Adapters
- LP Adapters
- LP Fittings
- LP Fittings
- LP Hoses
- LP Hoses
- LP Regulators
- LP Regulators
- Propane Tanks
- Propane Tanks
LP Gas
- Gas Detectors
- Gas Detectors
- LP Accessories
- LP Accessories
- LP Adapters
- LP Adapters
- LP Fittings
- LP Fittings
- LP Hoses
- LP Hoses
- LP Regulators
- LP Regulators
- Propane Tanks
- Propane Tanks
New RV Accessories
New RV Accessories
See More

Tools

Help