Heater starts up and operates for about 5 min or so then shuts of

I hear about alot of problems that people have with heaters. Some may be electric and some gas. I am going to give up a few ideas that were given to me that may help with maintenance and longjevity of your heaters.

First, Electric heaters. Just like in your home when you set the thermostats down a few degrees to save energy, you should turn the thermostat down on the electric heaters(the dial). The heater can be adjusted down just below the maximum output of the heater to protect the heater. The weakest link in the heater is a fusable link that is attached to the ends of the heating elements. By turning it down some, you give it a capacity for more power in the event of an overcurrent situation. If it is maxed out and there is a power surge, it may burn the link. Usually this means replacement. Small heaters are inexpensive enough that it may be cheaper to replace the heater than repair it unless you repair it yourself.

Seconly, Gas heaters. There isnt alot that you can do with them except clean the burner assemblies yearly and at the end of the season, wrap them in plastic and put them back in the box that it came in. This will help keep critters out and prevent spiders from building webs where they shouldnt. Alot of early service calls i get are for that purpose. Cleaning spider webs out of burner assemblies that have sat all summer. Good luck to all, If you take care of your heaters, they will take care of you.