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Details: Mr. Heater F260550 Big Maxx MHU50NG Natural Gas Unit Heater,Black
Brand: Mr. Heater
If you are looking to turn your garage or barn into a work space you can use all year-round, you will have to find a safe quiet and reliable heat source. This 50,000 BTU Natural Gas Unit heater is the way to go. It uses a built-in electric high velocity fan to pull cool air into the rear of the heater, across a heat exchanger, then forcing warm air into the surrounding areas. These heaters only require 115v AC power and can be vented vertically or horizontally – please check local codes and restrictions. With a mounting clearance of only 1 inch, the supplied brackets, external access to power, and thermostat connections – installation is a cinch. With the Durable Spark ignition and robust factory standard self-diagnostic control module, we can offer a 3 year factory warranty on all parts and burners and a 10 year warranty on any defects in the heat exchanger. This heater offers the operating versatility and safety that you have come to expect from Mr. Heater.
Advantages
- Products can be returned
- 50,000 BTU per hour heats up to 1250 sq. ft.
- Powered exhaust allows for vertical or horizontal venting
- Easy outside access to thermostat and A/C terminals and gas connection
- Natural Gas to Liquid Propane conversion kit and 2 angle brackets for ceiling mount included
- Minimum 8 ft clearance from floor to base of heater required; Limited 3 year warranty on parts and burners and 10 year warranty on any defects in the heat exchanger
Notice
- Is an online purchase
- Delivery may be delayed in some areas.
Buyer Guide For Patio Heaters
Heat Output. Consider BTU (British Thermal Units) ratings – higher BTUs mean more heat coverage. Most residential patio heaters range from 40,000 to 50,000 BTUs.Fuel Type. Choose between propane, natural gas, or electric:
- Propane is portable but needs tank replacement
- Natural gas requires installation but offers continuous operation
- Electric models are easy to use but may have higher operating costs
Coverage Area. Determine the space you need to heat. Standard patio heaters typically warm 100-200 square feet of space.
Design Style. Select from:
– Standing/pole heaters
– Tabletop models
– Wall-mounted units
– Ceiling-mounted options
Safety Features. Look for:
– Auto shut-off if tipped
– Cool-touch exterior
– Weather resistance
– Safety certifications
Mobility. Consider if you need to move the heater around:
– Wheels for easy transport
– Weight and size
– Storage capabilities
Durability. Check for:
– Weather-resistant materials
– Warranty coverage
– Build quality
How to use Patio Heaters
Patio heaters are excellent solutions for extending outdoor enjoyment during cooler weather. Here’s a comprehensive guide on how to use them safely and effectively.Proper Placement
- Position the heater on a flat, stable surface
- Keep at least 3 feet clearance from walls, furniture, and flammable materials
- Avoid placing under covered areas with low clearance
- Ensure the heater is protected from strong winds
Starting and Operating
1. Check fuel levels (propane tank or electrical connection)
2. Follow manufacturer’s lighting instructions
3. Allow 5-10 minutes for the heater to reach full temperature
4. Adjust heat settings as needed for comfort
Safety Tips
- Never leave the heater unattended while in use
- Keep children and pets away from the unit
- Turn off and disconnect when not in use
- Store properly during adverse weather conditions
- Regularly check for damage or wear
Maintenance
- Clean the heater regularly
- Check fuel connections for leaks
- Replace parts as needed
- Store in a dry place during off-season
How to Maintain Patio Heaters
Regular maintenance of your patio heater ensures optimal performance and longevity. Start by cleaning the unit regularly, removing dust and debris. Check the gas connections for leaks using soapy water and inspect the burner for blockages. Replace any worn parts promptly.Store your heater in a dry place during off-seasons, and cover it when not in use. For propane heaters, ensure tanks are properly connected and stored safely. Clean reflectors and heating elements to maintain efficiency.
Always follow manufacturer guidelines for specific maintenance requirements and safety procedures. Professional servicing is recommended annually for optimal performance and safety.




