Dwyer Instruments PG-7000-153-P1 Pressure Switch R-407A What Lochinvar boiler models use

What Lochinvar boiler models use the 100133618 pump

The switch features a rugged construction capable of withstanding the vibration and thermal cycling common in condenser cabinets

preventing bypass leakage that can lead to valve hunting or premature seat erosion

the A81BL includes an electric wide-open (bypass) feature

Voltage Stability: Rated for 208-230v operation

Dwyer Instruments PG-7000-153-P1 Pressure Switch R-407A What Lochinvar boiler models useThe 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.