Common Questions Which thermostat series will this cover plate fit

Common Questions Can I use a single dry contact to trigger multiple RIB21CDC relays

though reusing the existing flat-point set screw is possible if required

Doing so bypasses the safety limits intended to protect the 24V or 120V control circuit

The RIBU2C features NEMA 1 rated housing with 10-amp resistive contacts

Carrier HN67QC005 Sequencer Els PW 17895 Common Questions Which thermostat seriesThe Carrier HN67QC005 Sequencer is a critical OEM replacement part designed to manage the staging of electric heating elements and blower motor operation in high efficiency electric furnaces and heat pump systems. As a direct replacement for the legacy HN67QC005B, this 24V staged heating control prevents simultaneous electrical surges by staggering the activation of resistive loads, protecting the transformer and circuit breakers. This HVAC sequencer