Item 2 taco sr 503 switching relay w priority 3 zone 1 taco sr 503 switching relay w priority 3 zone.
Taco 4 zone switching relay with priority.
For larger jobs switching relays can be expanded up to 20 zones with priority.
The enhanced switching relays additional features.
Sr504 4 4 with priority 120 60 1 vac 20 amps 121 4 8 3 all circulator relay connections including zc zr are rated 1 3 hp 6 fla 36 lra at 120 vac.
Sr502 2 zone switching relay with priority sr503 3 zone switching relay with priority sr504 4 zone switching relay with priority sr506 6 zone switching relay with priority switching relays with powerport options and expandable to 20 zones product no.
Taco sr506 exp 4 6 zone switching relay w priority taco switching relays combine clearly labeled pc board layouts with advanced features that allow for total system customization.
Combined with the time proven reliability of the 00 family of circulators and thermostats total system integrating is achieved.
End switch connections are rated 24 vac 1 amp.
Taco sr502 4 switching relay with priority 2 zone 4 5 out of 5 stars 5.
Only 7 left in stock order soon.
Taco s enhanced switching relays are the best choice for all your zoning needs with advanced timer and boiler functions external diagnostic lights switchable priority and contractor friendly pc board layouts.
Item 4 3 zone switching relay w priority 3 3 zone switching relay w priority.
Taco sr504 4 4 zone switching relay the taco sr504 4 switching relay is the best choice for all your zoning needs with advanced powerport cards external diagnostic lights and contractor friendly pc board layouts.
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With the exclusive taco powerport plug in cards you can easily add such features as post purge priority protection and pump exercise.
Item 3 taco sr503 3 zone pump switching relay 2 taco sr503 3 zone pump switching relay.
Whether using basic priority switching or the advanced features of the exp controls the job is made easy.
With the exclusive taco powerport plug in cards you can easily add such features as post purge priority protection and pump exercise.
Any expandable switching relay can also interface with the boiler reset control and injection mixing add on power controls.
Any expandable switching relay can also interface with the boiler reset control and injection mixing add on power controls.
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Description sr501 exp 1 zone switching relay.
