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8-Zone Radiant Heat Thermostat, DIN Rail Mount


Provides a DIN-rail mountable thermostat for multizone radiant heating systems. Works with Crestron remote temperature sensors and integrates with a Crestron® control system via Cresnet®. Provides relay control of eight heat zone valves and one main valve. Rated 1/2 HP at 240V AC.

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Key Features

  • Eight-zone radiant heat control thermostat
  • Works with Crestron® remote temperature sensors [1]
  • Operates as part of a complete Crestron automation system [1]
  • Failsafe mode ensures continuous heat if the user setpoint is temporarily lost
  • Onboard controls and indicators for system testing
  • Eight SPDT heat zone valve control relays
  • One SPDT main valve control relay
  • Rated 1/2 HP at 240 Volts AC, 50/60 Hz
  • System integration via Cresnet®
  • Cresnet powered (24 Volts DC)
  • 9U 35 mm DIN rail mountable

Product Overview

The DIN-1TSTAT8 is an 8-zone thermostat designed for use with radiant heating systems. Each zone requires a remote temperature sensor to be installed in each heating zone. Compatible sensors include models CHVI-RTS-1G-SM-W, CHVI-RTS-1G-N-W, CHV-RTS, and CHV-RSS. Each sensor connects to the DIN-1TSTAT8 via a single twisted pair wire. The DIN-1TSTAT8 installs at a central location in a DIN rail enclosure, and connects to a Crestron® control system via Cresnet®.[1]

Its connection to a control system allows each zone to be adjusted from a Crestron touch screen, handheld remote, mobile app, or computer. Customized automation and scheduling is also possible. The use of remote temperature sensors eliminates the need for a separate thermostat on the wall in each zone.

The DIN-1TSTAT8 is for heat-only applications using radiators or radiant floor heating. It controls the heating valve for each zone via eight SPDT relay control outputs (one per zone). A ninth main valve control output is also provided. Each relay includes normally open and normally closed contacts, and is rated for 1/2 HP at 240 Volts AC, 50/60 Hz.

The DIN-1TSTAT8 requires a Crestron control system to function. The heating setpoints for each zone are set by the user through the control system and then stored in memory on the DIN-1TSTAT8. In the event a user setpoint is lost, a failsafe operating mode takes over to keep the space heated at a preset temperature until the user setpoint is restored from the control system.[1]

Standard 35 mm DIN rail mounting allows the DIN-1TSTAT8 to be installed in a DIN rail enclosure (Crestron DIN-EN series or similar). It occupies 9 DIN module spaces, and is powered by the Cresnet control bus.

  1. The remote temperature sensors, DIN rail enclosure, and control system are all sold separately. A complete system requires custom commissioning by a Crestron authorized installer and programmer. Contact your Crestron representative for more information.

This product may be purchased from an authorized Crestron dealer or distributor. To find a dealer or distributor, please contact the Crestron sales representative for your area. A list of sales representatives is available online at or by calling 855-263-8754.

The specific patents that cover this and other Crestron products are listed online at

Certain Crestron products contain open source software. For specific information, visit

Crestron, the Crestron logo, 3-Series, Cresnet, and infiNET EX are either trademarks or registered trademarks of Crestron Electronics, Inc. in the United States and/or other countries. Other trademarks, registered trademarks, and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Crestron disclaims any proprietary interest in the marks and names of others. Crestron is not responsible for errors in typography or photography. Specifications are subject to change without notice. ©2018 Crestron Electronics, Inc.

Product Specs

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