Installation Guide

Aquastat Wiring
TV T
Z
L1
(HOT)
CIRCULATOR
ON BOILER
(IF ATTACHED)
B2
C2
B1
C1
TACO
ZONE
CONTROL
HONEYWELL L8124G & L OR EQUA
L
120 VAC
INPUT
ZR
END SWITCH
L1
L2
(NEUTRAL)
L2
ZC
LINE
VOLTAGE
OIL BURNER
RELAY OR
GAS VALVE
L1 L2
T T
L1
(
HOT)
L2
(NEUTRAL)
LINE VOLTAGE
OIL BURNER RELAY
OR GAS VALVE
CIRCULATOR
ON BOILER
(IF ATTACHED)
B2
C1
B1ZR
TACO
ZONE
CONTROL
HONEYWELL L8124M OR EQUA
L
120 VAC
INPUT
C2
ZC
END SWITCH
L1 L2
T T
L1
(
HOT)
L2
(NEUTRAL)
LINE VOLTAGE
OIL BURNER RELAY
OR GAS VALVE
CIRCULATOR
ON BOILER
(IF ATTACHED)
C1 B2B1
TACO
ZONE
CONTROL
HONEYWELL L8148A OR EQUA
L
120 VAC
INPUT
C2
END SWITCH
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