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This is for gas fired boilers only I will be adding oil fired soon.
How Do I Know, If it is my pump that is bad? This is not a simple question.
because allot of things could be the cause of a pump not running. and there can
be many other reasons that you don't have heat.
This
may
be
mush
more
then
you
should
try
to
do
on
your
own.
Maybe
you
should
call
a
Pro.
Find a local Plumbing and Heating contractor
I'm just going to list some of
the things that could be the problem. Every problem is unique and there is
never a one reason answer for not having heat. First the thermostat, Although
they do fail, Most of the time it is not the thermostat. Many people think it's
the thermostat and replace it. I look at the Thermostat last. The First thing
I do Is see what the temperature of the boiler is. If it is hot between 160 and
190 % f I know the boiler is working. If it is cold, I check to see if it is set
up as a hot boiler (one that is always hot) Or a cold boiler (only gets hot if
there is a call for heat) if it is set up as a hot boiler but is cold. I check
pilot light
if pilot is lit I check to see if there is power. coming to boiler If no power I
check breaker. ok so we have power and pilot is lit Boiler is set up to be
hot, but boiler is cold Why? most boilers have 24v gas valves, some have 120v
but most have 24v this power is supplies by a transformer the power goes through
the transformer through the aquastat then through all the safety switches,
rollout switches and spill switches any one of these can be tripped and or
burned out. not all boilers have these safety devices the older one we worked on
above does not have any. just the Aquastat I have to
stop now, I have other things to do and this is going to take a long time to complete,
I have a ton of free questions to answer and I have to go out a do some plumbing
jobs So, To be Continued.
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