Those are for the heater control valve that come with deluxe heaters. They are very prone to leaking, more like gushing. They are often bypassed like yours has been. If you want to hook it up you need to replace or rebuild it. George
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne Super In the Gallery Forum
