Water Heater - Setting temperature
I want to bring the temperature of my oil water heater but I can't figure out how... I have a weird aquastat (or temperature control) that has both a high and low limit dial each having 2 needles to adjust. Here is a picture of it. Click here
There is an aluminum and brass needle on each dial. This model is a White-Rodgers controller model# 11C30-14. I checked their website but that model number isn't there.
Can anyone help me adjust the heat setting properly? The water is so hot here that I think its just too much (it will burn you) and I could save oil by turning it down.
is this your boiler or a seperate hot water heater? it is already set on the low side. look for a mixing valve. you may have a small pipe connecting the hot and cold water pipes(pipes coming in and out of the HW Heater) with a valve on it . If you have something like this open this valve a little. its a blind adjustment so make small adjustments and test it.
Your low limit is set on the same temp as the high limit. The low limit should be lowered to 110* which makes it 20* lower than the high limit. Yes it would save you more oil by giving the burner a chance to rest while the temp drops by 20* rather than short cycling.
The brass needle points to the setting you desire while the aluminum needle is the limit to what the brass one can be set. I think you will find that the aluminum needle can't be moved, but rather is the manufacturer's safety stop.
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