Motors & Armatures refrigeration potential relay service kit has become an industry standard since its introduction over fifty years ago. Its long-term reliability and easy replacement have been the key to its success. The wide calibration ranges and the universal bracket make the Motors & Armatures potential relay service kit a must on every service truck.

• Genuine Motors & Armatures relays replace thousands of OEM models
• Non-positional
• Wide range of selectivity
• QC-6 Kit included with each relay to convert screw-on to push-on
• Instructions and wiring diagram included
• Universal break-off bracket on each relay
• Simply snap-off parts not needed

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19001

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19001

Argo Industries ARM6P 6-Zone Expandable Switching Relay, 120 VAC, 7.2 amp, SPST, 30 VA

• Electronic fuse - auto reset
• Robust transformer - enough to handle up to 15 zones
• Double-sided printed circuit board construction - 100% factory tested for reliability
• Clearly marked terminals with clamping plates
• Separate xx (isolated switch) and ZC/ZR Relays protect boiler aquastat
• Priority safety timer - Ensures other zones get heat every 30 min and prevents freeze-ups
• 5 sec time delay for boiler shut-off
• Relay diagnostic light - easily seen through window on cover
• Premium plug-in replaceable relays
• 24 VAC transformer terminals
• Plug-in, add-on zone modules (AD-1 or AD-4)
• Switchable priority
• 1/3 HP high relay load rating

Sid Harvey Item #:R512-6: Replaces Part #:'s : 5C914,

Argo Industries R512-6

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R512-6

Taco zone valve controls work with two, three or four wire zone valves. Fully fuse protected, they also include two isolated end switches and a built-in priority switch. The contractor friendly PC board layout eliminates the problems caused by incorrect wiring and the"unfinished" look of conventional zone valve installations.

• External indicator lights
• Switchable priority
• Simplified wiring
• Compact design
• Fuse protected
• Two isolated end switches
• Extra set of dry contacts
• Contractor friendly
• PC board layout
• Universal thermostat compatibility
• 2 Power port slots

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Taco ZVC406

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ZVC406

Taco switching relays combine clearly labeled PC board layouts with advanced features that allow for total system customization. Whether using basic priority switching or the advanced features of the -ExP controls, the job is made easy. External indicator lights provide instant diagnostic feedback, making a snap of service calls or new installation start-ups. All switching relays are UL listed, are compatible with conventional and programmable thermostats.

• External indicator lights
• Plug-In power port cards
• Switchable priority
• Simplified wiring
• Fully enclosed snap-out relays
• Compact design
• Fuse protected
• 100% factory tested
• Isolated end switch
• Contractor friendly PC board layout
• Universal thermostat compatibility
• All circulator relay connections, including ZC/ZR, are rated 1/3 HP (6 amp full load, 36 amp locked rotor) at 120 VAC
• End switch connections are rated 24 VAC, 1 amp
• All thermostat connections supply a 24 VAC class 2 output

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Taco SR506-EXP-4

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SR506-EXP-4

Taco SR506-4 switching relay is the best choice for all your zoning needs, with advanced powerport cards, external diagnostic lights, switchable priority and contractor friendly PC board layouts. Combined with the time proven reliability of the 00 family of circulators and thermostats, total system integrating is achieved. External indicator lights provide instant diagnostic feedback, making a snap of service calls or new installation start-ups.

• External indicator lights
• Switchable priority
• Priority protection
• Simplified wiring
• Sealed relays
• Fuse protected outputs
• Compact design
• 100% factory tested
• Isolated end switch
• Contractor friendly PC board layout
• Universal thermostat compatibility
• All circulator relay connections, including ZC/ZR, are rated 1/3 HP (6 amp full load, 36 amp locked rotor) at 120 VAC
• End switch connections are rated 24 VAC, 1 amp
• All thermostat connections supply a 24 VAC class 2 output

Sid Harvey Item #:SR506: Replaces Part #:'s : ERSR601,

Taco SR506

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SR506

IDEC Systems & Controls SH2B-05 8-Pin DIN Rail Mount Relay and Timer Socket, 300 volt, 10 amp

• Compact midget size saves space
• High switching capacity
• Comes with two horseshoe clips
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  Idec Relays SH2B-05

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  SH2B-05

Honeywell Sync RxSK100A3 Aluminum Non Service-Rated Transfer Switch, 100 The Honeywell Sync transfer switch easily manages two large loads right out of the box without adding additional components or hardware. It uses advanced load shedding technology to create an efficient system that accommodates a range of coverage requirements. Need more load management capability? Increase large load management to the Sync transfer switch system by adding up to four DLM modules, which can be easily placed anywhere along the line, indoors or outside. This flexibility is ideal for larger homes with multiple air conditioners.,

RXSK100A3

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RXSK100A3

Honeywell RxSM200A3 1-PH Service-Rated Sync Transfer Switch, 120/240 volt, The Honeywell sync transfer switch easily manages two large loads right out of the box without adding additional components or hardware. It uses advanced load shedding technology to create an efficient system that accommodates a range of coverage requirements. Need more load management capability? Increase large load management to the sync transfer switch system by adding up to four DLM modules, which can be easily placed anywhere along the line, indoors or outdoors. This flexibility is ideal for larger homes with multiple air conditioners.,

Honeywell RXSM200A3

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RXSM200A3

Motors & Armatures Snap on side mounted auxiliary switches

• Engineered for today's most demanding commercial refrigeration and HVAC applications
• Totally enclosed, used for use in controlling contactors

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Motors & Armatures 61616

Motors & Armatures 61615 Professional Grade Auxiliary Switch, SPDT

• Engineered for today's most demanding commercial refrigeration and HVAC applications
• Totally enclosed

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Motors & Armatures 61615

Honeywell Aquatrol AQ25142B Boiler Reset Control for Single Temperature, Residential Hydronic Heating Systems

• 0 - 10 VDC modulating output for driving a modulating/condensing boiler
• Displays outdoor temperature on all AQ1000 thermostats when used with the included AQ12C10 outdoor sensor
• Customizable control settings allow for greater control and comfort, domestic hot water priority and priority override protection, as well as an automated test and purge feature
• Intuitive and accessible programming interface and central program of zone set points and setback programming
• Zoning control for up to four zones and can be up to 64 zones using expansion panels, test and purge feature for quick start-up and simplified troubleshooting
• Boiler short cycling protection, boiler post purge and boiler shock prevent from cold water returning to boiler
• 10 sec to 30 min off boiler heat post purge
• 30 sec per 2 weeks of space heating inactivity pump/valve exercise
• Heat demand (thermostat R-W), auxiliary demand and DHW demand, external dry contacts connection only
• Low voltage, class II, 2-wire polarity-insensitive, digital communicating link to other control or zoning modules

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AQ25142B

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AQ25142B