
MR. HEATER
Frequently asked questions
Common questions about MR. HEATER from 3G Electric.
What output range does the MR. HEATER portable gas table-top heater line cover?
The table-top models in the 3G Electric catalog range from 3,800 BtuH to 18,000 BtuH. The smallest unit, MPN MH4B-F215120, is rated for 95 sq ft; the largest, MPN MH18B-F274805 and MH18B-F274806, are rated for 450 sq ft. Intermediate sizes include 6,000 BtuH (230 sq ft), 9,000 BtuH (225 sq ft), and 12,000 BtuH (300 sq ft). Output and coverage ratings are manufacturer figures based on typical conditions; actual performance depends on ambient temperature, ceiling height, insulation, and air infiltration at the installation site.
Do MR. HEATER table-top heaters require electricity to operate?
The table-top propane models listed operate without external electrical power in their basic configuration. Ignition and safety functions are powered by the unit's own controls, and fuel is supplied from a standard refillable propane cylinder. This makes them suitable for locations without available mains power. Buyers should confirm the ignition type and any optional blower or fan requirements on the specific model data sheet, because accessory fans, where offered, would require a power source. Always follow the manufacturer's installation and ventilation instructions.
What safety features are present on MR. HEATER portable heaters?
Many MR. HEATER portable units include tip-over shutoff and an oxygen depletion sensor (ODS) as part of the burner control system. These features are intended to interrupt fuel flow if the unit is knocked over or if oxygen levels in the space fall below a set threshold. Safety markings and approvals vary by model and by the market the unit is built for, so the data plate on the specific unit is the authoritative source. Installation must comply with local gas and fire codes, and the space must have adequate ventilation for combustion and exhaust.
Which MR. HEATER table-top heater is appropriate for a 300 sq ft workshop bay?
Two models are rated at 12,000 BtuH for 300 sq ft: MPN MH12HB-F232035 and MPN MH12HB-F232045. Both are rectangular units measuring 14-1/4 in H x 9 in W x 14-1/4 in D, with camo housings. Selection between them depends on the specific variant features and availability at the time of order. For a workshop bay, consider ceiling height, door openings, and whether the space is enclosed or partially open, since a 300 sq ft rating assumes typical residential or light commercial conditions. A larger unit such as the 18,000 BtuH model may be preferable where recovery time after door openings is a concern.
Does 3G Electric supply hoses, regulators, and replacement parts for MR. HEATER units?
Yes. 3G Electric supplies MR. HEATER heaters together with related accessories such as hoses, regulators, and replacement parts. Accessory items are generally listed under separate SKUs, so they should be specified separately on a quotation unless the manufacturer bundles them with a particular heater model. When ordering, provide the heater's manufacturer part number so the correct fuel connection and fitting type can be matched. For replacement parts, include the model and serial information from the unit data plate to reduce the risk of an incompatible component.
How should MR. HEATER portable gas heaters be stored and handled between uses?
Store units in a dry location with the propane cylinder disconnected and the cylinder stored according to local regulations, typically outdoors or in a ventilated enclosure. Inspect hoses and regulator fittings before each use for cracks, cuts, or worn seals, and replace damaged components rather than repairing them. Do not store cylinders in occupied spaces or near ignition sources. Handling instructions and storage limits are provided in the manufacturer's documentation supplied with each unit; those instructions take precedence over general guidance. For fleet or seasonal use, maintain a log of inspection and replacement dates for hoses and regulators.
