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Mr. Heater

MR. HEATER MHU250NGPALP BIG MAXX UNIT HEATER

$2,150.86

SKU: M023 F263064

In Stock
In Stock
Ships by Jun 10
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Provides 250,000 BTU for spaces up to 8,400 sq ft with 82% thermal efficiency. Features an aluminized steel heat exchanger and a power vent system for exhaust. Designed for easy ceiling installation using 3/8 in - 16 tpi threaded rods (sold separately). Ships for natural gas (LP conversion kit sold separately). ETL Certified.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandMr. Heater
Part NumberM023 F263064

Videos

Mr Heater Big Maxx - How I installed and COST.

Mr Heater Big Maxx - How I installed and COST.
Mr. Heater Big Maxx Review

Mr. Heater Big Maxx Review
Big Maxx heater review 1 year later

Big Maxx heater review 1 year later
Big Maxx Furnace: How I Heated My Pole Garage and Saved $

Big Maxx Furnace: How I Heated My Pole Garage and Saved $

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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