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Taco SR506-EXP Expandable 6-Zone Switching Relay Controller
- Regular price
- $499.00
- Sale price
- $499.00
- Regular price
-
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Product Description P/N: SR506-EXP
Description
The Taco SR506-EXP is a highly adaptable six-zone switching relay engineered to control circulator pumps in advanced hydronic heating applications. This expandable module connects directly to other Taco controls to coordinate large-scale thermal management across multiple facility levels. It is designed to maximize boiler efficiency and integrate seamlessly with outdoor reset controls or injection mixing hardware.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Taco |
| Category | HVAC & Refrigeration |
| Part Number | SR506-EXP |
| Subcategory | Switching Relays |
| Input Voltage | 120V AC |
| Zone Capacity | 6 Zones |
| Expandability | Up to 120 Zones |
| Maximum Pump Load | 1/3 HP (5 Amps) per zone |
| Priority Feature | Selectable Toggle |
| Enclosure Type | NEMA 1 |
| Weight | 4.60 lbs |
Information About SR506-EXP
The SR506-EXP is an advanced electrical hub built to manage complex, multi-circulator heating layouts with exceptional accuracy. It incorporates dedicated expansion ports that allow technicians to link up to 120 heating zones across networked relay panels. Designed for demanding residential and commercial HVAC architectures, it accommodates heavy-duty pumps with an impressive electrical relay capacity. This unit features selectable priority switches to ensure domestic water systems receive immediate thermal focus during peak demand periods.
Key Features:
-
Expandable Network Architecture: Links seamlessly with additional Taco expandable relays to manage up to 120 zones.
-
Six-Zone Pump Control: Directs power to multiple circulator pumps for accurate thermal distribution.
-
Selectable DHW Priority: Temporarily suspends ambient heating to accelerate domestic hot water recovery cycles.
-
Add-On Power Controls: Supports plug-in cards for outdoor reset, injection mixing, or boiler staging.
-
External Diagnostic Lights: Displays real-time operational status for quick troubleshooting and system monitoring.
-
Isolated End Switch: Ensures safe connection to boiler aquastats without risk of voltage crossover.
The SR506-EXP delivers the reliability and precision required for expansive, multi-circulator hydronic heating networks.
Description
The Taco SR506-EXP is a highly adaptable six-zone switching relay engineered to control circulator pumps in advanced hydronic heating applications. This expandable module connects directly to other Taco controls to coordinate large-scale thermal management across multiple facility levels. It is designed to maximize boiler efficiency and integrate seamlessly with outdoor reset controls or injection mixing hardware.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Taco |
| Category | HVAC & Refrigeration |
| Part Number | SR506-EXP |
| Subcategory | Switching Relays |
| Input Voltage | 120V AC |
| Zone Capacity | 6 Zones |
| Expandability | Up to 120 Zones |
| Maximum Pump Load | 1/3 HP (5 Amps) per zone |
| Priority Feature | Selectable Toggle |
| Enclosure Type | NEMA 1 |
| Weight | 4.60 lbs |
Information About SR506-EXP
The SR506-EXP is an advanced electrical hub built to manage complex, multi-circulator heating layouts with exceptional accuracy. It incorporates dedicated expansion ports that allow technicians to link up to 120 heating zones across networked relay panels. Designed for demanding residential and commercial HVAC architectures, it accommodates heavy-duty pumps with an impressive electrical relay capacity. This unit features selectable priority switches to ensure domestic water systems receive immediate thermal focus during peak demand periods.
Key Features:
-
Expandable Network Architecture: Links seamlessly with additional Taco expandable relays to manage up to 120 zones.
-
Six-Zone Pump Control: Directs power to multiple circulator pumps for accurate thermal distribution.
-
Selectable DHW Priority: Temporarily suspends ambient heating to accelerate domestic hot water recovery cycles.
-
Add-On Power Controls: Supports plug-in cards for outdoor reset, injection mixing, or boiler staging.
-
External Diagnostic Lights: Displays real-time operational status for quick troubleshooting and system monitoring.
-
Isolated End Switch: Ensures safe connection to boiler aquastats without risk of voltage crossover.
The SR506-EXP delivers the reliability and precision required for expansive, multi-circulator hydronic heating networks.
