If you have a 200A supply with 10 breakers totaling 160A on one leg and 10 totaling 205A on the other can you install a dual 15A breaker on the first leg to add a heated floor with 800 watts?
breaker values aren't additive
Many vehicles come with factory installed heated seats, but if you are looking to install after market heated seats you have a few options. You can do it at home, for a cheap job, but for best results you should visit the dealership where you bought your vehicle. If they cannot do it themselves, they will send you to someone who will get the job done properly.
The Driver's Heated Seat fuse (LH HTD ST/BCM) is in the Driver's Side Instrument Panel Fuse Block. The Passenger Heated Seat fuse (RH HTD ST) is in the Passenger's Side Instrument Panel Fuse Block. See pages 6-63 & 6-65 of your "Owner's Manual", under Section 6: Service and Appearance Care - Electrical System - Fuses and Circuit Breakers...
Circuit breakers can be of these types Fuse wire that melts when subjected to an over current. Magnetic. These contain a small electromagnet coil which becomes magnetised when a current flows through it. An over current operates a switch off mechanism which cannot be reset until the fault current is removed. Thermal, These contain a bimetallic strip that is heated by the fault current. The strip bends by uneven expansion of the two metals and…
Is there any proper way to install and insulate a shower valve in outside wall applications or should it be avoided at all costs?
In general, you should avoid putting plumbing on the outside wall if you live in a freezing climate. If you MUST use the outside wall, insulate heavily to the outside and do not insulate between the pipe and the heated area of the house and leave a space for heated inside air to ciculate around the pipes.