Carrier 52CQ402474 Assembly 321142-301 The internal 40-micron filtration pad

The internal 40-micron filtration pad provides superior solid contaminant removal

When paired with an A1010 or A1011 amplifier and an MR Series modulating valve

utilizing specialized alloys to meet current potable water regulations while maintaining the same physical dimensions for drop-in replacement

Ensure your differential pressure sensing lines are clear of debris to maintain accurate HVAC safety switch operation

Common field issues include restricted airflow from dirty filters

Carrier 52CQ402474 Assembly 321142-301 The internal 40-micron filtration padThe Carrier 52CQ402474 Heater Kit Assembly is a high performance 3. 4kW electric heater designed specifically for integration within Carrier, Bryant, and Payne HVAC systems. Engineered for reliability in 208 230V single phase applications, this OEM replacement heating element provides an essential heat source for electric heating cycles or emergency backup. As a factory authorized part, it ensures precise fitment and thermal performance, maintaining