Need more info. How long a run from the gas meter to where the heater will be? How many BTU heater? The longer the run and the larger the heater size then the larger the pipe size.
Ken
Also one should know the heating value of the fuel as natural "gas" can be as low as 900 BTU per cu ft to 1,200 BTU per CU ft You should also know the BTU OUT put of the heater.
One should take the normal ambient temperature the volume L x W x H of the water to be heated and have n idea what the desired temperature of the water they are seeking
06/15/2013
(a) One needs to know whether this is a Natural Gas Appliance, or a Propane Appliance. ( Natural Gas is Low Pressure so needs greater volume < larger pipe>)
(b) w' Propane heater, run galvanized nipple from gas valve direct out of casing to 2nd stage Regulator. Include a "Drip T" to retrieve moisture. ( pipe size dictated by the thread on the gas valve. No restictions beween Regulator except an inline shut off valve. Include a Union inside the cabinet so you can remove and service burner tray if needed.
(c) w' Natural Gas utilize the manufacturer's specs .
Also A Manometer is an essential tool to check the inlet (static) gas pressure, and the valve open pressure to ensure sufficient gas flow to avoid "Sooting Up" the heat exchanger with a "lazy" flame ( gas starved ).
All pool heater manufacturers will provide their install specs. Call them and ask.
Always SOAP TEST all connections. Immediately after install prior to igniting the device, and again after running appliance ( heat can cause joint expansion).
Pool temperatures can be increased by installing a pool heater. They can also be raised by using a solar blanket.
You need to regroup your thoughts and ask the question in a different way so that it makes sense. There is no piping in a pool pump. Do you mean to and from the pool to the equipment pad? Between the pump and the filter or between the filter and the heater? You have to be specific. K
You need to check your gas lines for the size of piping under ground. The size of the heater is all personal preference really, but its up to how much gas flow you can get which will tell you if you can get the bigger, better heaters.
The thermostat for the heater is on the heater. Remote controls for the heater or other pool equipment is not an automatic option. You must contact a swimming pool professional skilled at installing remote controls for your pool equipment in a location which is convenient for you in your home. k
You should first make sure yuor pool is compatible with a heater. You will also want to make sure you get the proper BTU for your pool size.
Most heaters are plumbed last in the pool piping system. First is the water pump, then the filter, then the heat pump and finally the pool. If you have a chlorinator then that will be put last in the system after the heater and before the pool and usually there is a check valve between the chlorinator and the heater to prevent a high dose of chlorine from damaging the heater. If you are going to use a heat pump then that is made from titanium then that doesn't matter as chemicals don't damage heat pumps like they do gas heaters. There are some piping diagrams at www.millsco.com that will also show you spa layouts, solar etc.
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You must look for how big your pool is to make sure you buy only what you need and make sure the heater has a warranty.
Heaters are usually plumbed in after the filter. The pool filter/pump is what circulates the heated water. Ans: The heater will not work or fire if the pump is not running.
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You need to circulate the pool water in freezing conditions to prevent the pool piping, filter system,etc from freezing and being damaged. If you can bypass the solar system and are assured that ALL the panels and associated piping is drained you will be ok if not run the system, yes you will cool the pool down but will not damage the system
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