I tried looking for l8124b but it looks like this model number is obsolete.
Triple aquastat relay l8124a c l8151a.
I have a burnham hot water boiler that had a triple aquastat relay type l8124a c l8151a that quit working.
L8124a b c e g l m aquastatfi relays 3 60 2061š10 table 1.
Provide disconnect means and overload protection as required.
Control case must be connected to earth ground.
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.
Honeywell l8124a 1007 triple aquastat vertical case relay for oil applications 1 5 visit the honeywell home store.
Has model l8124c replaced model l8124b.
We replaced it with l8124a c e l and m aquastat relay.
Provides high limit low limit and circulator control for maintaining boiler temperatures.
They are rated for switching of millivoltage loads.
But periodically will not heat the house until i tap on the outside of the aquastat relay box or on the mechanical relay itself.
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.
See table 2 and fig.
Use grounding screw provided.
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.
Tripleaquastat l8151a relays pdf manual download.
A multizone control can be provided by using a separate circulator and r845 relay for each zone.
3 0 lb country of origin.
Honeywell triple aquastat l8124a c aquastat is 6 years old.
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.
Is there a way to run read more.
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.
Oil boiler burns fine filter and nozzle have been replaced flame is good.
Honeywell type l8124a c l8151a.
L8151a triple aquastat relay j.
Make sure this fits by entering your model number.
I have a l8124b triple aquastat relay installed on my boiler.
View and download honeywell tripleaquastat l8151a installation and operation instructions manual online.