420 | Boiler Reset Module - One tN4, Boiler, DHW & Setpoint | Tekmar

Brand: TekmarSKU: 420

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Overview Details for 420

Boiler Reset Module - One tN4, Boiler, DHW & Setpoint

The Boiler Reset Module 420 is designed to operate all of the mechanical equipment in a hydronic heating system, except for zones, coordinating their operation through network communication. It can be used in applications ranging from a single zone of baseboard with an on/off boiler, to multiple radiant floor zones with a modulating/condensing boiler. This control regulates one space heating water temperature through Outdoor Temperature Reset and Indoor Temperature Feedback. It is capable of controlling a single on/off or modulating boiler, Domestic Hot Water, setpoint loads, and can expand up to 24 zones in total.

Features

System setback (with optional Timer)
warm weather shut down, Zone Synchronization
DHW priority (optional), setpoint operation
One touch overrides (with optional User Switch)
Outdoor temperature reset, indoor temperature feedback
Single on/off, or modulating boiler control, DHW control
Boiler protection, powered pump outputs
DHW Post Purge, System control for up to 24 zones
automatic boiler differential, exercising