Here, Mark talks about the HLS code on Mastertemp 400 after replacing sensor.
HLS Code on Mastertemp 400
Tag: mastertemp
Mastertemp 400 Starts / Stops
Ask The Pool Guy Q & A: My Mastertemp 400 starts and stops. Why?
Pop Sound Coming From Mastertemp
Ask The Pool Guy Q & A: In this video, Al responds to a question about the Mastertemp 400 and the popping sound that preceded it not working.
Pentair Mastertemp Pump Speed and Salt Generator
Ask the Pool Guy Q & A: How do I manage Pentair Mastertemp pump speeds and salt generators?
My New Mastertemp 400 Pool Heater Failed. Why?
Ask The Pool Guy Q & A: Why did my new Mastertemp 400 Pool Heater Fail? Watch Al respond.
MasterTemp Heater Error Code
Q & A with Mark: Why does the temperature read too high on my Mastertemp heater? According to Mark, this is likely a hairline crack or thermistor sensory problem, need to clean it out or may need to replace it. Read More …
10 Steps To Descaling A Pentair Pool Heater
In this video, Mark descales a Pentair Mastertemp heater this is done when there is a lot of build up of scale, and scale is the mineral deposits from your water!
Pentair Mastertemp Heater
New MasterTemp Heaters offer all the efficiency, convenience, and reliability features you want in a pool heater (plus a lot more). They are as easy-to-use as your home heating system Master Temp uses a user-friendly indicator light that makes operating Read More …