Which aquastat?

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Old 08-07-08, 07:59 PM
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Which aquastat?

Which is a good model aquastat for an indirect hot water heater running with a circulator?
 
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Old 08-07-08, 08:52 PM
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Doesn't the aquastat come packaged with the indirects you are looking at ?
 
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Old 08-07-08, 09:13 PM
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If I am not mistaken, a Honeywell L4006A is the basic aquastat control for indirect fired water heaters.
 
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Old 08-08-08, 06:57 AM
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If you want to get one aquastat for the price of two or three, pick up a tekmar 150....
 
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Old 08-17-08, 03:31 PM
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I am going to use a Taco SR503 to control 3 zones, 2 for heating zones and 1 for a Superstor indirect hw heater. It shows on the wiring diagram to hook up the aquastat the same way as a thermostat but doesn't the l4006a aquastat need 120v? Also on the SR503 aren't the 24v connectors on the pcb outputs? The boiler is a Biasi B10 with a Riello oil burner. I want the hw heater to work as priority.
Thanks
 
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Old 08-17-08, 03:52 PM
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The L4006a can be wired as low voltage just like a thermostat to zone 1 in the taco SR503 relay control. Then remove the jumper from P & ZC terminals for priority hot water.

Here is the link to the Taco control...
http://www.taco-hvac.com/uploads/Fil...ry/102-167.pdf
 
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Old 08-17-08, 06:09 PM
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Should I leave the ZC to H jumper in? Wire it like the diagram on page 2 with 2 thermostats and 1 aquastat but without the second controller? Thanks again
 
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Old 08-17-08, 07:23 PM
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Yes, you leave the other jumper in. It should be wired as a cold start boiler diagram, but will look like the top diagram on page 2 without the extra control. Those controls are the greatest
 
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Old 11-09-08, 12:26 PM
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i am installing a Taco SR503(102-167) 3 Zone to a oil boiler with a Honey Well R8184G as a replacement to my old furnace i have a power venter CK63 i am having trouble installing the CK63 to the Taco SR503 (102-167) the diagram shows how to install it to the Honey Well R8184G but not to the Taco I need help.
 
 

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