What is the difference between 32004254-002 and 32004254-002/U

its 25% activated alumina blend provides the acid neutralizing capacity necessary during routine maintenance or after minor system contamination

Broad Refrigerant Compatibility: Suitable for use in standard high-pressure systems utilizing non-corrosive refrigerants

Direct OEM Compatibility: Engineered as the official replacement for part numbers 5H71675 and ZC24A34-3-0145 to maintain factory performance standards

When troubleshooting vibration issues or reduced airflow in Reznor heaters

AERCO 124930 Maintenance Kit 326058-755 What is the difference betweenThe AERCO 124930 Maintenance Kit is a comprehensive BMK Annual Maintenance Kit engineered specifically for high efficiency AERCO Benchmark boilers. As a genuine OEM maintenance kit, it includes the precision components required to maintain the AERCO 124930 specifications and ensure peak thermal performance. Regular use of this industrial boiler service kit prevents combustion instability and maximizes the AERCO BMK boiler service life. Designed for