Resideo aq1000tn2/u 2-wire Hydronic Thermostat

Product Description

The RESIDEO aq1000tn2/u is a non-programmable, two-wire network communicating thermostat designed for hydronic heating systems. It controls ambient air temperature or floor temperature, making it a versatile choice for radiant floor and hydronic zone applications. The thermostat operates on a polarity-insensitive two-wire connection, which simplifies wiring during installation. Power and communication are both supplied through the two-wire link to a compatible AQ2000 series zoning module. A selectable backlight and a liquid crystal display provide clear readout of outdoor, indoor, and floor temperature values.

This thermostat is intended for residential and light commercial hydronic heating installations where zone control is required. It pairs with a Honeywell AQ2000 series zoning module to deliver network-based zone management. When used with the optional AQ12C20 Slab and Floor Sensor, sold separately, the unit adds floor temperature sensing with configurable minimum and maximum limit protection. Licensed HVAC technicians and plumbing professionals typically install this thermostat as part of a complete hydronic zoning system.

Key Features

• Two-wire, polarity-insensitive connection simplifies field wiring
• Communicates with and is powered by a compatible AQ2000 series zoning module
• Controls ambient air temperature or floor temperature in hydronic applications
• Selectable temporary and permanent backlight for low-light environments
• LCD displays outdoor, indoor, and floor temperature readings
• Supports optional AQ12C20 Slab and Floor Sensor for floor temp limits

Compatibility

Designed for use with Honeywell AQ2000 series zoning modules in hydronic heating systems. Optional floor temperature sensing requires the AQ12C20 Slab and Floor Sensor, sold separately.

Installation Notes

Installation should be performed by a licensed HVAC technician or qualified plumbing professional familiar with hydronic zoning systems. Power down the AQ2000 series zoning module before connecting or disconnecting the thermostat wiring. The two-wire connection is polarity-insensitive, but verify all wiring against the zoning module documentation before restoring power. Follow all applicable local mechanical and electrical codes during installation.

Technical Specifications

• Wiring Configuration: 2-wire polarity-insensitive
• Control Type: Non-programmable
• Communication: Network communicating via AQ2000 series zoning module
• Temperature Sensing: Ambient air or floor (floor sensing requires optional AQ12C20)
• Display: Liquid crystal display with outdoor, indoor, and floor temperature readout
• Backlight: Selectable temporary and permanent
• Application: Hydronic heating

Standard Information

• Brand: RESIDEO
• Manufacturer Part Number: aq1000tn2/u