The Interactive Adventures of Dog Mendonça and Pizzaboy

The Interactive Adventures of Dog Mendonça and Pizzaboy

Stuck in Hotel Part 2
Some Spoilers here, blacked out as appropriate.
I've used the hammer on my own body to expel the Dybbuk. I've trapped the dog and the boxer in the TV. I've even acquired the wrench. For some reason, I can't get use the wrench on the basement furnace or the basement radiator. Is there a step I've skipped?