We ve enhanced our complete line of zone valve controls with the features and styling you ve been asking for.
Taco 2 zone switching relay troubleshooting.
This happened once before and i turned the boiler off at the breaker turned it back on and then reset the boiler.
The power appears to be off at the green light indicator but the boiler is on.
I have a taco sr502 2 zone switching relay wiring configured as cold start boiler application and a 501 switching relay 2 zones 1 heat 2 domestic hot water side arm issue no hot water boiler won read more.
For information on taco s switching relays sr including catalog sheet instruction sheets visio.
When zone 2 is not switched to priority all zones will operate independently.
This is what the bottom of the taco zone valve power head looks like notice the two black pins they go into the slots on the taco zone valve body just line them up and turn 1 8th a turn and the head is replaced.
Whether you re looking for switching relays zone valve controls priority zoning circulators or fan controls taco has everything you need.
I have a taco sr506 switching relay that won t turn on.
Taco zone control product information switching relays product no.
It comes with assembled dimensions of 7 in.
The taco 2 zone switching relay features advanced power port card external diagnostic light switchable priority and contractor friendly pc board layout.
This is the taco zone valve body sometimes this part of the zone valve fails.
Description sr501 1 zone switching relay sr501 845rp 1 zone switching relay replacement pc board for honeywell r845 ra89a ra832 or comparable relay sr502 2 zone switching relay with priority sr503 3 zone switching relay with priority sr504 4 zone switching relay with priority.
The 2 problems i have run in to are.