What is the difference between the A28PJ-1 and the A28PJ-1C

this 3/8" NPT valve operates on an open on rise action

This cartridge is designed for bulk liquid water and oil removal

Delivers a precise 10–22" WC outlet pressure range for high-demand applications

This relay is engineered for long-term durability in high-cycle environments

Trane VAL8106 Valve Els PW 29614 What is the difference betweenThe Trane VAL8106 is a professional grade 1 2" NPT 3 way modulating water valve designed for precise flow control in demanding hydronic heating and cooling systems. Engineered for high performance HVAC modulating control, this brass body ball valve assembly is typically utilized in Variable Air Volume (VAV) terminals, fan coil units, and perimeter heating applications. It features a 24V floating point control actuator that ensures accurate fluid