glass and guard rods must be sourced separately based on the required length

ensuring adequate ventilation while protecting internal components from vertical moisture entry in outdoor environments

High-velocity systems may require a reinforced paddle or a higher-series industrial switch

Supports dew point control and high-resolution temperature reporting (1°F) for advanced climate automation

Resideo YERM5220RVPEIM Module Kit 321894-706 glass and guard rods mustThe Resideo YERM5220RVPEIM Module Kit is a specialized solution for HVAC contractors facing complex retrofits or equipment relocations. This kit leverages RedLINK wireless technology to establish a robust communication link between the thermostat and the condensing unit, heat pump, or boiler without the need for fresh control wiring. By utilizing the Equipment Interface Module (EIM) and the Equipment Remote Module (ERM), technicians can bypass