The Armstrong International B4930 Air Vent

Smith TST2900 Temperature Controller (cross-referenced as part number 100170632) is a critical OEM immersion thermostat designed for high-recovery commercial water heating applications

When verifying the cut-out temperature for York S1-7680-3591

Key Benefits Direct OEM Replacement: Replaces RLY30061 without the need for mounting modifications or harness adapters

making it suitable for domestic hot water recirculation

Heil Quaker ICP 1570280205 Motor 321894-706 The Armstrong International B4930 AirThe Heil Quaker ICP 1570280205 Motor is a high efficiency 310VDC condenser fan motor engineered specifically for technical compatibility with GREE ductless mini split systems and compatible outdoor HVAC units. Delivering a power output of 170W at a stable 900 RPM motor speed, this OEM replacement motor ensures precise airflow across the condenser coils for optimal heat rejection and system pressure stabilization. Designed for continuous duty (S1) in