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Rick, HVAC Supervisor
Category: HVAC
Satisfied Customers: 21350
Experience:  40+ yrs. experience as a licensed oil & gas technician.
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I have a oil furnace, I have hot water but no heat. the thermostat

Customer Question

I have a oil furnace, I have hot water but no heat. the thermostat is working and I can see the contacts in the box open and close with spark as the therm. is turned up and down . Circulating pump does'nt run.
Submitted: 5 years ago.
Category: HVAC
Expert:  Rick replied 5 years ago.
Welcome to Just Answer,

So you have an oil fired boiler (boilers heat water furnaces heat air) that makes you domestic hot water (with a coil in the boiler?). The fact that the control is repsonding to the thermostat makes me think the most likely cause of your problem is a faulty circulator if (as you say) the circ isn't running. You will need a mutlti meter to verify this
Customer: replied 5 years ago.
Neither the boiler nor pump will kick on.
Expert:  Rick replied 5 years ago.
do you make hot water with a coil in the boiler?
Customer: replied 5 years ago.
tapped circulating pump with a hammer, must have been stuck while being idle over summer. The system is working fine.
Expert:  Rick replied 5 years ago.
Glad it worked out for you. Thanks for using Just Answer

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