A kid back in highschool got severely burned when gasoline fumes reached the water heater pilot and made a fireball in his basement. I wouldn't store any containers of gas in that room, and avoid doing fuel system work while the heater is on.

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1985 380SE Blue/Blue - 230,000 miles
2012 Subaru Forester 5-speed
2005 Toyota Sienna
2004 Chrysler Sebring convertible
1999 Toyota Tacoma