Jandy Laars Hi - E2 350,000 Btu Heater "gas hand working properly" Questions

...to get one undersized for the job because it will be working hard to keep up. on the other hand you don't want one so big it is barely working. Keep things matched and you shouldn't have any

properly calibrate the gas/combustion air combination. If its off even a little, you will have an improper burn, and heat exchanger life will decrease. There are only a handful of companies around the