Question about Jandy Laars Hi - E2 350,000 Btu Heater
To answer your direct question. Yes. Installing a zinc anode will help. It should be an in line anode installed on the inlet side of the heater. They are inexpensive, and no replumbing is required. Just drill a hole, and clamp on the gasket and anode.
On another note, heres what you need to check.
Flow rate: make sure the flow rate is adequate for the heater. If its not youll have to replace your motor to the proper size. The minimum flow rate for this heater is 50 GPM (gallons per minute) and the maximum is 125 GPM. If you are below the minimum, you will be creating pressure and air inside the exchanger and premature failure can happen. If your flow is more than the mazimim, you will be quickly eroding the heat exchanger. Id say optimal flow rate for this heater is 90-100 GPM.
Gas Manifold Pressure: The type of venturi tee gas inlet that this system uses is very delicate. These heaters need to be adjusted every 6 months by a proffessional to operate properly. You need a two stage digital monometer accurate to the tenth to properly calibrate the gas/combustion air combination. If its off even a little, you will have an improper burn, and heat exchanger life will decrease. There are only a handful of companies around the county are even certified to work with these heaters. We happen to be one of them.
Your chemistry looks good, but it wouldnt hurt to lower the pH by .2-.3.
This is a very good heater because of it energy efficiency, but it is a very sensitive heater.
Hope I helped a little. If you have any more specific questions, contact me @: [email protected]
Posted on Aug 04, 2011
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