Originally Posted by vipor

voted for option 2.

NOTES: 500$ would be nice, but it's not reasonable to expect parts AND labor to cost that amount. I understand that if it were on all models that they may be able to get down to that point, but we're talking about an add-on. I would give it 4-600$ in parts (must include thermostat-style bypass) and the rest for labor. Then you're talking 4-6 hours at $100/hr (low average for most shops) for the install.