the AP33A000 provides field-selectable control signals

the unit features 1/2-inch barb fittings for straightforward integration into standard HVAC drainage systems

This comprehensive gas boiler ignition upgrade is specifically engineered for Weil-McLain EGH boilers and serves as a direct replacement for discontinued Honeywell S86H

The 20-micron internal filtration media ensures the protection of expansion valves and capillary tubes from particulate contamination

The auto reset function ensures system continuity once pressures return to safe operating levels

Trane MOD1375 Module 326010-701 the AP33A000 provides field-selectable controlThe Trane MOD1375 Module is a critical Communication Interface Module (TCI) designed for precise HVAC network integration within commercial and industrial automation systems. This genuine OEM Trane replacement part enables seamless data transmission between primary unit controllers and building management systems (BMS), ensuring accurate diagnostic reporting and system synchronization. Built for durability in demanding mechanical environments, the