my solenoid burnt, melted

[tcy81]

Just now my solenoid suddenly burnt (smoke coming out of it) and part of it melt. Got a shock when it happen. Quickly off the switch.
The solenoid was very hot. and wondering if others using solenoid,
Is there solenoid hot when it is on ?
Where can i get a replacement for the solenoid, quite worrying if the solenoid burnt when noone is at home

[bossteck]

Hi Chee Yong,

What brand is your solenoid? How many hours is it switch on each day?

[tcy81]

the brand is Sunwell.
actually i was not using for about 3 mths before yesterday when i on it for just a couple of hours before it was burnt.
Previously, it was on for 10hours daily.

[PeterGwee]

Did you disconnect everything when you are not using it or just leave it connected to the reactor/diffuser etc? Did water actually backed up into the solenoid valve?

Regards,
Peter Gwee

[medicineman]

Ah... I see a possible cause here.

Always use a check valve esp for CO2 system that is hooked to a pressurized water system such as inline or internal reactor.

When the solenoid goes off, the water pressure may push and end up into the solenoid, hence ruining it (esp if the CO2 line is short enough, not allowing compression equal to withstand the water pushing pressure). This goes the same to conventional regulator as well, which spoil faster when water-damaged.

[Viper007]

Solenoid burnt out is a normal problem especially if you stop using for a period of time. Bring down your unit to NA they will replace it for you. Cost is less then $50.

[tcy81]

Did you disconnect everything when you are not using it or just leave it connected to the reactor/diffuser etc? Did water actually backed up into the solenoid valve?

Regards,
Peter Gwee

I did leave it connected to the diffuser for quite awhile before disconnecting it. i use a check valve, But not too sure if water did went back into the solenoid.

Ah... I see a possible cause here.

Always use a check valve esp for CO2 system that is hooked to a pressurized water system such as inline or internal reactor.

When the solenoid goes off, the water pressure may push and end up into the solenoid, hence ruining it (esp if the CO2 line is short enough, not allowing compression equal to withstand the water pushing pressure). This goes the same to conventional regulator as well, which spoil faster when water-damaged.

I did use a check valve. maybe the solenoid has worn out, its around a few years.

Solenoid burnt out is a normal problem especially if you stop using for a period of time. Bring down your unit to NA they will replace it for you. Cost is less then $50.

Ya. i need to change it soon.

[Wahlin]

Just now my solenoid suddenly burnt (smoke coming out of it) and part of it melt. Got a shock when it happen. Quickly off the switch.
The solenoid was very hot. and wondering if others using solenoid,
Is there solenoid hot when it is on ?
Where can i get a replacement for the solenoid, quite worrying if the solenoid burnt when noone is at home

Hi TCY81, I am looking for a dual gauge regulator (with or without solenoid) in case you want to let go yours I am keen to take over .