The York S1-7705-3591 is a critical high-limit safety component engineered for precise thermal monitoring within residential and commercial gas furnaces

5-inch stripping for fast

Standardized Terminals: Utilizes 1/4-inch male spade connectors for fast

Its rejection-style design ensures compatibility with standard Class R fuse blocks

For 243-12 models

Carrier HT01BD464 Transformer The York S1-7705-3591 is aThe Carrier HT01BD464 is a 40VA control transformer designed for heavy duty commercial HVAC applications requiring a reliable step down from 460V primary to 24V secondary power. As a genuine OEM replacement part, it ensures precise voltage regulation for sensitive low voltage components including contactors, relays, and solid state control boards. This 50 60 Hz rated unit is built to withstand the thermal demands of rooftop units (RTUs) and industrial