Wiring Guide

TACO Zone Controls Cross-Reference
106
TAC O ARGO ERIE HONEYWELL
SWITCHING RELAYS 1 Zone Switching Relay (DPDT) 1 Zone Switching Relay 1 Zone Switching Relay with Outdoor Reset 2 Zone Switching Relay with Priority 3 Zone Switching Relay with Priority 4 Zone Switching Relay with Priority 6 Zone Switching Relay with Priority
SR501 SR501-HC SR501-OR SR502 SR503 SR504 SR506
AR822II AR-861-2II (3) AR-861-3II (3)
SR100 SR201 SR301 SR601 R601 (4)
RA89A (2), RA845A (1), RA832A (1), R8845U, RA889A
EXPANDABLE SWITCHING RELAYS 1 Zone Switching Relay with Priority 3 Zone Switching Relay with Priority 4 Zone Switching Relay with Priority 6 Zone Switching Relay with Priority
SR501-EXP SR503-EXP SR504-EXP SR506-EXP
ARM-3P (5,6) ARM-4P (5,6) ARM-6P (5,6)
AQ25042B (9)
ZONE VALVE CONTROLS 3 Zone Valve Control with Priority 4 Zone Valve Control with Priority 5 Zone Valve Control with Priority 6 Zone Valve Control with Priority
ZVC403 (7) ZVC404 (7) ZVC405 (7) ZVC406 (7)
AZ-3 AZ-4P AZ-5 AZ-6P
VL500 (8) VL500 (8)
EXPANDABLE ZONE VALVE CONTROLS 4 Zone Valve Control with Priority 6 Zone Valve Control with Priority
ZVC404-EXP ZVC406-EXP
AQ25044B (9)