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

SKU: YERM5220R8321

Weight	3 lbs
Dimensions	12 × 11 × 5 in

$1,028.42

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Same-item volume pricing

Quantity	Unit price	Saving
1–4	$1,028.42	0%
5–9	$977.00	5%
10+	$925.58	10%

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

Specifications & product details

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.

Specifications and compatibility

Description	ERM with TH8321R1001 thermostat

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