Provides low voltage control of line voltage fan motors and auxiliary circuits in heating, cooling or air conditioning circuits - Includes transformer - Double pole, double throw (DPDT) switching
Provides overload protection for transformer - Low voltage termnal board provides convenient connections for thermostat and heating and cooling equipment wiring
Relay is easily replaced without disturbing wiring - Mounts on standard 4 x 4 junction box - 120 Volt, 208 Volt, or 240 Volt
Front diagnostic lights - Switchable priority - Simplified wiring - Works with 2, 3, or 4 wire zone valves - Automatic re-settable fuse on 24
volt circuit - 100% Factory tested - Universal thermostat compatibility - 120 volt input - 24 volt power output for hard wired thermostats - Field
replaceable transformer
Used for five zones with zone valves, and includes a priority zone control - Compatible with most thermostats - "C" terminal is available for every
thermostat connection - LED display panel is visible and functional whether the cover is on or off - Labels are coded to the wire colors
Used for three zones with circulators, and includes a priority zone control - Compatible with most thermostats - "C" terminal is available for every
thermostat connection - LED display panel is visible and functional whether the cover is on or off - Labels are coded to the wire colors
Used for six zones with zone valves, and includes a priority zone control - Compatible with most thermostats - "C" terminal is available for every
thermostat connection - LED display panel is visible and functional whether the cover is on or off - Labels are coded to the wire colors
Used for four zones with zone valves, and includes a priority zone control - Compatible with most thermostats - "C" terminal is available for every
thermostat connection - LED display panel is visible and functional whether the cover is on or off - Labels are coded to the wire colors
Used for three zones with zone valves, and includes a priority zone control - Compatible with most thermostats - "C" terminal is available for every
thermostat connection - LED display panel is visible and functional whether the cover is on or off - Labels are coded to the wire colors
Front diagnostic lights - Switchable priority - Built in priority protection - Simplified wiring - Premium sealed relays - Compact design - Fuse
protected - 100% Factory tested - Isolated end switch - Contractor friendly PC board layout - Universal thermostat compatibility - 24 volt power output
for hard wired thermostats - Field replaceable transformer - Add on power control plug - Built in post purge and pump exercise functions - Switchable
primary circulator output - Two boiler contacts - Expandable up to 20 zoning panels (up to 120 zones if all are 6 zone panels) - Interface with EXP
zone valve controls - UL Approved
Front diagnostic lights - Switchable priority - Built in priority protection - Simplified wiring - Premium sealed relays - Compact design - Fuse
protected - 100% Factory tested - Isolated end switch - Contractor friendly PC board layout - Universal thermostat compatibility - 24 volt power output
for hard wired thermostats - Field replaceable transformer - Add on power control plug - Built in post purge and pump exercise functions - Switchable
primary circulator output - Two boiler contacts - Expandable up to 20 zoning panels (up to 120 zones if all are 6 zone panels) - Interface with EXP
zone valve controls - UL Approved
Front diagnostic lights - Switchable priority - Simplified wiring - Works with 2, 3, or 4 wire zone valves - Automatic re-settable fuse on 24
volt circuit - 100% Factory tested - Universal thermostat compatibility - 120 volt input - 24 volt power output for hard wired thermostats - Field
replaceable transformer
Taco Next Generation Electronic Controls are the ideal solution to all your zoning system requirements. For installers seeking a quick and straightforward installation, the new Taco Enhanced Switching Relay can be set up using a standard confi guration or customized through our Taco Control mobile app. This relay features compatibility with smart thermostats, a multi-functional timer, boiler relay options, LED diagnostics, mobile feedback, switchable modes, and more.
Features
Front Diagnostic Lights
Switchable Priority
Built-in Priority Protection
Simplified Wiring
Premium Sealed Relays
Compact Design
Fuse Protected
100% Factory Tested
Isolated End Switch
Contractor-Friendly PC Board Layout
Universal Thermostat Compatibility
24 Volt Power Output for hard-wired thermostats
Field Replaceable Transformer
Extended 3-Year Warranty
Next Generation New Features
Built-in Post Purge and Pump Exercise Functions
Switchable Primary Circulator Output
Two boiler contacts utilize the full functionality of Mod-Con boilers
Expandable to 20 Zoning Panels (120 zones if all are 6 zone panels)
Provides intermediate switching of line and low voltage devices from a line or low voltage controller
High load switching capability - Troubleshooting LED - Push to test button - Replaceable transformer fuse.
Long life DC relay drive control technology - Relay for use with external 24 Volt AC or 24 Volt DC supply, with line voltage control, or with internal 24 V transformer supply.
Secondary of transformer protected by replaceable 1A automotive fuse - Single pole, double throw (SPDT) switching
Used for a single zone with a circulator - Compatible with most thermostats - "C" terminal is available for every thermostat connection - LED display
panel is visible and functional whether the cover is on or off - Labels are coded to the wire colors
Provides low voltage control of line voltage fan motors and auxiliary circuits in heating, cooling or heating/cooling circuits - Includes transformer - Single pole, double throw (SPDT) switching
Provides overload protection for transformer - Convenient connections for thermostat and heating and cooling equipment wiring - Mounts on standard 4 x 4 junction box.
Can be mounted in any indoor location without additional enclosure - Relay is easily replaced without disturbing wiring - Includes relay enclosure.
Provides intermediate switching of line and low voltage devices from a line or low voltage controller - Includes transformer - Single pole, Single throw (SPST) switching
Front diagnostic lights - Switchable priority - Built in priority protection - Simplified wiring - Works with 2, 3, or 4 wire zone valves - Compact
design - Fuse protected - 100% Factory tested - Two pump end switches can control up to 3 pumps; system, secondary and DHW - Contractor
friendly PC board layout - Universal thermostat compatibility - 24 volt power output for hard wired thermostats - Field replaceable transformer - Add
on power control plug - Built in post purge and pump exercise functions - Two boiler contacts - Expandable to 20 zoning panels (120 zones if all
are 6 zone panels - Interface with EXP switching relays - UL
approved
Front diagnostic lights - Switchable priority - Built in priority protection - Simplified wiring - Works with 2, 3, or 4 wire zone valves - Compact
design - Fuse protected - 100% Factory tested - Two pump end switches can control up to 3 pumps; system, secondary and DHW - Contractor
friendly PC board layout - Universal thermostat compatibility - 24 volt power output for hard wired thermostats - Field replaceable transformer - Add
on power control plug - Built in post purge and pump exercise functions - Two boiler contacts - Expandable to 20 zoning panels (120 zones if all
are 6 zone panels - Interface with EXP switching relays - UL
approved
Used for six zones with circulators, and includes a priority zone control - Compatible with most thermostats - "C" terminal is available for every
thermostat connection - LED display panel is visible and functional whether the cover is on or off - Labels are coded to the wire colors
Front diagnostic lights - Switchable priority - Simplified wiring - Works with 2, 3, or 4 wire zone valves - Automatic re-settable fuse on 24
volt circuit - 100% Factory tested - Universal thermostat compatibility - 120 volt input - 24 volt power output for hard wired thermostats - Field
replaceable transformer
Used for four zones with circulators, and includes a priority zone control - Compatible with most thermostats - "C" terminal is available for every
thermostat connection - LED display panel is visible and functional whether the cover is on or off - Labels are coded to the wire colors
Provides low voltage control of line voltage fan motors and auxiliary circuits in heating, cooling or air conditioning circuits - Includes
transformer - Double pole, single throw (DPST) switching - Provides overload protection for transformer - Low voltage termnal board
provides convenient connections for thermostat and heating and cooling equipment wiring - Relay is easily replaced without disturbing
wiring - Mounts on standard 4 x 4 junction box - 120 Volt
Used with two wire, 24 Volt thermostat to control electric heating equipment such as baseboard, ceiling cable and duct heaters - Single pole, single throw (SPST) switching
Operates with each cycle of the thermostat (4 to 6 cycles per hour) - Switches up to a 5,000 Watt load - Contacts make and break in about 75 seconds
Can be mounted in any position - Includes 1/2 inch male conduit bushing
