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Tekmar 423 Universal Reset Module, Four tN4, Two Boiler, DHW and Setpoint

BRAND: Tekmar SKU: 423

$1,029.99

MSRP: $1184.49
You save 15%

Tekmar 423 Universal Reset Module, Four tN4, Two Boiler, DHW and Setpoint

Availability:

Ships By November 21

Description

The Tekmar 423 Universal Reset Module is engineered to manage all mechanical equipment within a hydronic heating system, excluding zones, by coordinating operations through network communication. Suitable for a range of applications—from a single zone with baseboard heating and an on/off boiler to complex systems with multiple fan coils, mixed radiant floor zones, and two modulating/condensing boilers—this module efficiently regulates up to four space heating water temperatures via Outdoor Temperature Reset and Indoor Temperature Feedback. It controls two on/off or modulating boilers, manages Domestic Hot Water, setpoint loads, and can expand to support up to 24 zones for each temperature (96 in total).

Key Features:

  • Outdoor temperature reset and indoor temperature feedback for optimized performance.
  • Warm weather shutdown and zone synchronization to enhance efficiency.
  • Domestic Hot Water (DHW) control, post-purge functionality, and optional DHW priority.
  • Expandable control for up to 96 zones and support for two on/off or two modulating boiler configurations.
  • Regulation of up to four water temperatures (with additional mix expansion modules) and automatic boiler differential.
  • Built-in exercising and boiler protection features to ensure longevity.
  • Powered pump outputs and system setback options (with an optional timer).
  • One-touch overrides available with an optional User Switch for added convenience.

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