William Kievit
05-09-2014, 05:15 AM
I just experienced my first failure of an indirect water heater. The unit is a Bock and had been installed in 2000. The TPR on the boiler was discharging and flooded (1/8") the basement.
It turns out the coil inside the water heater failed allowing city water (@ 85psi) to enter and over pressure the boiler.
Looks like an anode got used up and corrosion caused the coil to deteriorate.
The manufacturer requires periodic inspection of the anode rod in order to maintain the warranty.
I will no longer tell clients that their indirect water heater is virtually maintenance free.
Not much left of the anode.
Prior to the failure the local water company was sold and we went from artesian well water to reservoir water. I know the Ph changed to slightly acid from slightly base.
We also noticed a slight amount of gas (air) mixed with the water when first opening the kitchen tap. Quite a mess that could have been prevented by routine maintenance.
Does anyone check their anode rods?
30480
It turns out the coil inside the water heater failed allowing city water (@ 85psi) to enter and over pressure the boiler.
Looks like an anode got used up and corrosion caused the coil to deteriorate.
The manufacturer requires periodic inspection of the anode rod in order to maintain the warranty.
I will no longer tell clients that their indirect water heater is virtually maintenance free.
Not much left of the anode.
Prior to the failure the local water company was sold and we went from artesian well water to reservoir water. I know the Ph changed to slightly acid from slightly base.
We also noticed a slight amount of gas (air) mixed with the water when first opening the kitchen tap. Quite a mess that could have been prevented by routine maintenance.
Does anyone check their anode rods?
30480