5 discussions on HomeOwnersHub about the Honeywell L8148A: what owners asked, what went wrong, and what fixed it.
Furnace went out last night (oil-fired 'boiler'). A little debug showedsome sparking under a relay that controls the burner and circulationpump.Bad solder joint where the relay soldered to the circuit board. A smallcontact lead going...
I would like to zone my basement hot water radiators separately fromthe rest of the house since it doesn't seem to get warm enough therebefore the thermostat upstairs turns the system off. I would like toinstall a zone valve that controls...
First let me apologize if this has been covered I searched and couldnot firnd a similar post.I have an oil furnace with an indirect water heater attached. My waterheater recently went bad and I called a plumber to replace it, andwhile he...
Hi all, Has anyone used the Honeywell L7224U electronic aquastat on an oil firedboiler yet ??? In the past 6 years, I have had to replace 3 L8148A controlboxes. The circulator relays keep going bad. It is not the relay contacts,...
Hi all, Has anyone used the Honeywell L7224U electronic aquastat on an oil firedboiler yet ??? In the past 6 years, I have had to replace 3 L8148A controlboxes. The circulator relays keep going bad. It is not the relay contacts,...