depending on your local environment and system usage

permanent connections

Enhanced Safety: Acts as a primary fail-safe against restricted airflow

Engineered as a direct OEM replacement for York

This 7/8" ODF solder connection unit is specifically engineered for suction line installation

Dwyer Instruments PG-7000-153-P1 Pressure Switch Els PW 29614 depending on your local environmentThe Dwyer Instruments PG 7000 153 P1 is a gas pressure switch designed for accurate monitoring and control of low pressure air and gas systems. This differential pressure switch operates within a 1 to 30 inch water column range, making it suitable for HVAC applications involving airflow proving, filter monitoring, and burner system safety. Equipped with an SPDT snap switch, it provides reliable and fast contact response for consistent system control.