

Rated at over 1 million BTUs per hour, the XH850 Extreme Heat will thaw, cure and heat for your winter construction applications with closed-loop hydronic heating.
- 21,600-sq.-ft. thawing capacity
- 43,200-sq.-ft. curing capacity
- Interior space heating capacity of 732,000 BTUs per hour
- Oil, LP or NG burners
- Energy efficient 1,083,000 BTU (input) burner/boiler combination burns 11.4 gal. per hour at full output (external fuel supply)
- Four independent closed loop circulation pumps
- Low-pressure operation (1-15 psi) for optimal safety
Operator's Manual: Thawzall XH850
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