Originally Posted by sedanbob
I'm not an HVAC guy, but consider this - If the worst should happen and your shop catches fire, do you think the insurance company is going to pay off once they see you modified the heater? Is that, or the possibility that you overlooked something in your mods, worth $300?
Are you an automotive engineer? What will the insurance company (and lawyers) say when they find out that you used non-stock brakes on your street driven car and had an accident? Same logic applies yet that issue never comes up on this forum.
And yes, I did consider that and I'm quite confident in my ability to mitigate that risk.