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Balboa 58104 Spa Heater & sensors M7 15" 4.0kW 230v, 2 mounting studs, a Therm Products heater, p/n , which replaces a number of different Balboa M-7 heaters, 1807240573, 26-58104-K, C2400-0807-TPS, 55033, 55035, 58031, 58032, 58056, 58064, 58103, 58104, 58106, 58109, 58117, 58120, 58148, 58212, 26-58104-5S-KS, 26-0807-5S-K, 26-0807-5S-KS with dual sensors.
New, complete with gaskets, and a pair of pvc plumbing couplings.
Always
prevent a new heater or heater element from coming on (turn down the
temp setting) until you have run the pump on high several minutes to get
all the air out of the piping, BEFORE you even turn up the heat.
This prevents 'dry-fire' which will damage any heater. Follow this
whenever you drain and fill your spa, change a filter cartridge, etc.
Tub owners do not realize when water level drops for any reason,
evaporation, people getting out of the spa, etc., when the skimmer sucks
in air and the heater is on, you are damaging the heater.
Unit is
fully tested and certified for resistance and electrical values
multiple times before packaging and shipping. Resistance value is
Certified.
Also available in 5.5kW and 3kW
Like any flothru spa heater it must never see a lack of flow or air in the system
with the heater on, it will 'dry-fire' and burn out and test open for
resistance and the Therm Products/Hydro-Quip warranty will not cover open, dry-fire abuse.
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