After recent power-out, my parents want a generator, at least to the boilers for heat and to keep the food and some lights. Asking the electrician to put in separate lines is going to get very expensive. So I am thinking of handling this with extension cords.
For the boilers, there are 2 Peerless, gas, standing pilot, more than 30 years old Honeywell controls and a small pump in each. They are hard-wired to the main box.
The electrical systems have seen some power surges, especially one time when the transformers from the street went bad and the power company changed it (the light bulbs went really bright, but no damage to other things in the house).
I started my research on generators and I am getting confusing messages. One plumbers says amateur hook ups can fry the controls in the boiler, but does not list the why. One person, engineer?, says, in comparing standard and inverted generators, that even the standard generators produce fairly steady power so that most modern electronics can be plugged right into the generator. Inverted generators (with good inverters) do better.
Can generators send spiked power that damage boiler controls (controls in boiler body, auto shut off, thermostats)? For example, when it is restarted after a refill?
And would you see if I am the right road? This is what I was planning:
1. Put an outlet in the middle of current power line that comes direct from service box. Outlet would be connected to the line on the boiler side. I would use single outlet.
2. Put a plug on the line that comes from service. This way, the current is reestablished when plugged, and unplugged, it would separate the boiler from the service box.
3. In a power-out, line from generator can be plugged into the outlet and give power to the boiler controls.
Going back to the generators, I saw that generators come with several outlets that may be rated 15 amp, 20 amp, etc., but has only one breaker switch. Since starting wattage of pump motors and refrigerator is twice the running wattage, I plan to get generator that has minimum twice the wattage than I need. In this case, is single breaker switch on the generator enough? Or should I look for generator (if existing) that has breakers for each outlet?
Even an answer that I am overthinking this would be appreciated, but please add why. I am finding that generators aren’t plug and play types and more I research, more questions I get. Thank you in advance.