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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
A patio heater can extend your outdoor living space’s usability throughout cooler seasons. When shopping for a patio heater, consider several key factors: fuel type (propane, natural gas, or electric), heating capacity (measured in BTUs), coverage area, and mobility. Propane heaters offer portability but require tank replacements, while natural gas units provide consistent fuel supply but need professional installation. Electric heaters are easy to use and environmentally friendly but may have higher operating costs.Look for safety features like automatic shut-off and tip-over protection, and ensure the unit is weather-resistant. Consider the size of your outdoor space to determine the appropriate heating power typically, 40,000 BTUs can heat a 20-foot diameter area. Also, check for warranty coverage and verify that the model complies with local regulations before making your purchase.
How to use Patio Heaters
Patio heaters are excellent devices for extending your outdoor entertainment season by providing warmth during cooler weather. Here’s a comprehensive guide on how to use them safely and effectively.Choosing the Right Location
- Place the heater on a flat, stable surface
- Keep at least 3 feet clearance from walls and flammable objects
- Avoid placing under low-hanging trees or covered areas
- Ensure proper ventilation in partially enclosed spaces
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
5. Position seating within the heater’s effective radius (typically 6-10 feet)
Safety Tips
- Never leave the heater unattended while in use
- Turn off and disconnect when not in use
- Keep children and pets away from the unit
- Store properly during adverse weather conditions
- Regularly check for damage or wear
How to Maintain Patio Heaters
Regular maintenance of your patio heater ensures optimal performance and longevity. Start by cleaning the exterior with a damp cloth and mild soap. Check the gas connections for leaks using soapy water and look for bubbles. Clean the burner regularly to prevent blockages, and remove any debris or spider webs.Store your heater in a dry place during off-seasons, and always cover it when not in use. Replace the propane tank when needed and inspect the ignition system periodically. Check reflectors and heat shields for damage, and tighten any loose screws or fittings.
Remember to follow manufacturer guidelines and prioritize safety by keeping flammable materials away from the heater.




