Depends on location and heat-up time. Taking into consideration wind and heating demand, I would probably go with a Laars 325 or 400 BTU heater. If high wind is a problem, a Laars 400 LT/LX could be the answer. The larger the heater, the faster the heat up time, and fewer days of waiting for target heating temperatures to occur. And fewer days of heat loss. HM Louisiana
You also have to take into consideration the gas supply line size. This dictates and can limit the size of heater.
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The evironmental standards for home heating systems are to make sure that a homeowner will purchase and have installed the appropriate heater. The heater should also be very effecient with a high AFUE rating. A good AFUE rating would be 95.
The heater should have a wattage rating (very few list amps). Calculate the amps using the wattage and voltage. Amps = Watts/Volts(480).
Most people beleive the decision was right.
you must check the voltage and current rating for the heater, the power itself doesnt matter Concur - Some heaters may be rated for the higher voltage which requires less current to run. Watts = Current * Voltage. You risk a fire if you try to run heater above its rated values which should be on a plate on the appliance.
Depends on what pipe you are asking about. Most pipe such as PVC has a max heat rating for internal and external temperatures. this is why regular white PVC should never be used for hot water from a hot water heater which can be 120 degrees (F) or more and melt regular PVC. That is why they recommend using CPVC which has a higher temperature rating. Depends on what pipe you are asking about. Most pipe such as PVC has a max heat rating for internal and external temperatures. this is why regular white PVC should never be used for hot water from a hot water heater which can be 120 degrees (F) or more and melt regular PVC. That is why they recommend using CPVC which has a higher temperature rating.
A light acid wash should remove the chalk.
Switch rating should match or be greater than the rating for the protecting breaker.
The boat should have no lower horsepower that this rating.
the concrete should be 6" according to this site http://www.de-fontenay.com/poolcon4.htm
Cement!
There should be a dial on the front of the heater that you set the temp. with.
If your heater is a heat pump , then yes.