Honeywell RA89A1074 Switching Relay, 120 volt Input, 24 VAC Coil at 50/60 Hz, 0.4 amp Coil, SPST

• Provide intermediate switching of a line voltage device from a low voltage controller
• Integral transformer provides low voltage power for control circuit
• Includes enclosure
• Contact rating: 10.2 amp at 120 VAC, 5.1 amp at 240 VAC full load; 61.2 amp at 120 VAC, 30.6 amp at 240 VAC locked rotor; 10 amp at 120 VAC, 6 amp at 240 VAC resistive

Sid Harvey Item #:R510-15: Replaces Part #:'s : R510-15R,
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Honeywell R510-15

Argo Industries AR822 Switching Relay 1-Zone

Honeywell Home HPSR103 Switching Relay 3 Zone

Honeywell Home HPSR104 Switching Relay 4 Zone

Honeywell HPSR104

Taco SR504-4 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 #:SR504: Replaces Part #:'s : SIDSSR504,
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Taco SR504

Taco SR504-ExP-1 Formed Sheet Metal 4-Zone Switching Relay with Priority, 24 volt Power Input or Output Terminal, 120 VAC Transformer Input, DPDT

• External indicator lights
• 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
• Plug-in power port card slots
• Add-on power control plug
• Interface with ExP zone valve controls
• Extended 3 years warranty
• (3) power port slots, (1) power control plugs

Sid Harvey Item #:SR504ExP: Replaces Part #:'s : 6C632,
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Taco SR504EXP

Honeywell Home HPSR106 Switching Relay 6 Zone

Honeywell HPSR106

Honeywell RA832A1066 Switching Relay with Internal Transformer, 120 volt Input, 24 VAC Coil at 50/60 Hz, 0.4 amp Coil, DPST

• Provide intermediate switching of a line voltage device from a low voltage controller
• Integral transformer provides low voltage power for control circuit
• Includes enclosure
• Contact rating: 7.4 amp at 120 VAC, 3.7 amp at 240 VAC full load; 44.4 amp at 120 VAC, 22.2 amp at 240 VAC locked rotor; 10 amp at 120 VAC, 6 amp at 240 VAC resistive; 2000 VA (120 - 240 VAC); secondary DC - 1 amp at 12 VDC, secondary millivolt - 300 milli-amp at 750 mV

Sid Harvey Item #:R520-26: Replaces Part #:'s : R520-26R,
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Honeywell R520-26

Argo Industries Three-Zone with Priority (ARH-3)

• All ARH Models have plug-in connections for easy expansion up to 20 zones.
• Multiple Terminals for 2-speed air handlers
• Built-In Air Handler Freeze Protection
• Switch-able Priority for domestic hot water applications.
• LED Diagnostic Lights for easy troubleshooting.
• Includes Strap-On Bi-Metal Aquastat to prevent cold air circulation in heating mode.
• 100% Quality Controlled,
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