We discuss aquastat problems such as improper adjustment improper wiring and relay buzzing or failures.
Triple aquastat relay l8124a c.
Honeywell l8124a 1007 triple aquastat vertical case relay for oil applications 1 5.
Provide disconnect means and overload protection as required.
This article describes common operating problems with heating system aquastat controls and how these troubles are diagnosed and fixed.
L8124a b c e g l m aquastatfi relays 3 60 2061š10 table 1.
Control case must be connected to earth ground.
High limit protection low limit and circulation control operating range low limit f.
Has model l8124c replaced model l8124b.
They are rated for switching of millivoltage loads.
Provide disconnect means and overload protection as required.
Only 7 left in stock order soon.
Bl is 1 4 in.
Control case must be connected to earth ground.
Only 2 left in stock order soon.
Use grounding screw provided.
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.
And m relays t87f r845 relay ho pump oo 1 8124e aquastat relay t87f r845 relay pump low voltage gas valve eg vr8300 t87f r845 relay pump fig.
Guide to diagnostic troubleshooting for heating boiler aquastat controls.
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.
Operating range low limit c.
I tried looking for l8124b but it looks like this model number is obsolete.
10 f fixed low limit.
See table 2 and fig.
A multizone control can be provided by using a separate circulator and r845 relay for each zone.
Honeywell l6008a1192 aquastat circulator controller low limit less well 197 78.
Tr 1 power supply.
I have a l8124b triple aquastat relay installed on my boiler.
110 f to 220 f adj.
Honeywell l8124a b c e g lo m aquastat relays immersion type controllers for forced hydronic heating systems that include domestic hot water service such as a tankless coil also.
43 c to 104 c adj.
Honeywell l8148a aquastat relay 6 inch l8148a1017 u l8148a c7 226 79.
Description high limit protection low limit and circulation control triple aquastat relay with high limit.
