Lennox 19W88 Transformer 318423-701 restrictor is required when used

restrictor is required when used with low-volume output controllers

This model is supplied without the inlet/outlet flanges

Key Benefits Complete O-Ring Assortment: Contains all necessary seals for specific chiller sub-assemblies

Superior Flow Capacity: Features a high Cv value of 9

Lennox 19W88 Transformer 318423-701 restrictor is required when usedThe Lennox 19W88 Transformer is a high reliability technical component engineered for precision voltage step down in commercial and residential HVAC systems. As a genuine Lennox 100972 01 OEM part, this Class 2 transformer provides a stable 24V secondary output from a 120V primary source, rated at 40VA for consistent power delivery to critical control circuits. Designed for heavy duty applications, it features a rugged foot mount configuration and 1 4