Control case must be connected to earth ground.
Triple aquastat relay l8124a c l8151a.
But periodically will not heat the house until i tap on the outside of the aquastat relay box or on the mechanical relay itself.
We replaced it with l8124a c e l and m aquastat relay.
B contacts are not powered.
Details about how to make this change to a typical aquastat along with problems to watch out for have been moved to a new article found at aquastat lo diff disabled live link is given just below keep in mind that the lo and diff control settings only make sense if the heating boiler has a tankless coil installed to make domestic hot water for washing and bathing.
Boilers home heating steam and hot water systems modifed wiring on l8124a c l8151a triple aquastat trying to understand the wiring on my aquastat simple single zone setup.
4 9 out of 5 stars 11 ratings.
See table 2 and fig.
Has model l8124c replaced model l8124b.
A multizone control can be provided by using a separate circulator and r845 relay for each zone.
This fits your.
When the thermostat is calling for heat the boiler does not come on unless i tap the side of the controller and then the burners come on.
1995 form number 60 2553 3 the l8151a is a remote bulb controller for use with hydronic heating systems that include domes tic hot water service.
3 0 lb country of origin.
Honeywell type l8124a c l8151a.
1 95 honeywell inc.
Oil boiler burns fine filter and nozzle have been replaced flame is good.
Is there a way to run read more.
I have a burnham hot water boiler that had a triple aquastat relay type l8124a c l8151a that quit working.
They are rated for switching of millivoltage loads.
View and download honeywell tripleaquastat l8151a installation and operation instructions manual online.
L8151a triple aquastat relay j.
L8124a c multizone system l8124a c e l and m aquastat relays t87f t87f t87f l8124a r845 relay r845 relay l1 c1 c2 b2 hot pump pump pump r8184 c554 orange burner black ignition power supply.
Provide disconnect means and overload protection as required.
Provides high limit low limit and circulator control for maintaining boiler temperatures.
I tried looking for l8124b but it looks like this model number is obsolete.
Make sure this fits by entering your model number.
L8124a b c e g l m aquastatfi relays 3 60 2061š10 table 1.
Honeywell triple aquastat l8124a c aquastat is 6 years old.
Use grounding screw provided.