Question about Amtrol Water Heaters
I have an Amtrol WH7L7P tank and water has a lot of air bubbles in line when first started
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Posted on Jan 02, 2017
Since you mentioned 'both temperatures' it seems your unit is like most all of them, a lower and upper coil.
If your hot water supply runs out quickly, this normally means that the lower coil has failed. Since heat rises, the upper coil will never supply a tankful of hot water, just hot to start, and then as the flow continues, it doesn't have time to do more than warm the water flowing into the tank.
Every home should now own a simple digital multimeter; they cost less than $20 US everywhere and one can find them in auto parts stores, electronic supply companies and tool companies.
If you have a Harbor Freight tool store in your area, you can get them for under $10 US any time and sometimes even less:
You need to be absolutely certain that the voltage to the water heater is shut down. Before you measure anything else, set the meter to its highest AC setting and check across the coils and then from either contact to the metal housing. If it is dead everywhere, then set the meter to the lowest Ohms scale (normally 200). The resistance of the coil should be nearly the same reading as when you simply short the meter's probe tips together. If it measures 'OL' then the coil is open and must be replaced.
Posted on Feb 26, 2009
The smart control was only reading 140 it never went up or down from that number and now it has an ER3 code seem the circulator just runs and runs
Posted on Feb 14, 2010
I had the same problem. I had a steam boiler and the water level in the glass gauge was below the top of the coil of the tank. remember water finds its own level, so it settled at the glass gauge level, therefore air got in coil.
to resolve problem : turned on manual water feed to boiler to raise water level. as water level got higher, let out water in hosecock between boiler and amtrol. amtrol noticed hot water reduction, circulator clicked on, boiler kicked on, turned off hosecock, turned off manual feed. I effectively bleed water out of line by running water out of amtrol as water feed in boiler increased water level above coil.
took a while to figure this out, so if this is the problem, dont feel to bad. keep water level of steam boiler high.
Posted on May 12, 2010
There is a device on the boilermate called an aquastat which controls the flow of hot water into it. Replace that and you should be up and running again. Joe.
Posted on May 23, 2010
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