Honeywell RedLINK YERM5220R8321 Thermostat & ERM Kit 24V HVAC Boiler Wireless

Overview

Honeywell RedLINK Wireless Equipment Remote Module Kit with 7-Day Thermostat | MFG# YERM5220R8321The Honeywell RedLINK Equipment Remote Module (ERM) Kit is a smart wireless solution for managing gas-fired equipment like propane, LP, or natural gas boilers when physical thermostat wiring is limited or unsafe. This complete kit allows remote mounting of a thermostat using Honeywell’s RedLINK wireless protocol.Kit Includes:ERM Module – mounts near the outdoor unit or indoor boilerRedLINK-enabled Thermostat (TH8321R1001) – 7-day programmable, touch screenLED indicators for connection & diagnosticsKey

Applications

Control of propane and LP boiler systems in remote or hard-to-wire spacesWireless thermostat installations in retrofit or commercial environmentsSimplified control of up to 3 heat / 2 cool heat pump systems or 2H/2C conventional setupsTechnical Specs:Power Supply: 24V (ERM) | 3x AAA (thermostat)Communication Protocol: Honeywell RedLINK WirelessMount Type: Wall mount for thermostat, near-unit placement for ERMCompatibility: Works with Honeywell outdoor sensors (C7089U1006)Temperature Control Range: 32°F to 90°F heating / 50°F to 99°F coolingProfessional Benefits:Eliminates the need to run wires between HVAC equipment and the thermostatIdeal for DOT LP tank facilities, mobile propane boiler installs, or residential off-grid gas heatingSeamless pairing with Honeywell zoning panels and sensors

Product details

Part / SKU	YERM5220R8321

Package includes

• Honeywell RedLINK YERM5220R8321 Thermostat & ERM Kit 24V HVAC Boiler Wireless

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.