Dwyer Instruments A-350 Aspirator Bulb 320819-301 meeting both American and European

meeting both American and European noise emission standards

where the 3-inch probe can monitor the discharge air temperature

matching the heat exchanger's output requirements and preventing "all-or-nothing" temperature swings

Built with a robust 440/480Vac 50/60Hz coil voltage

you would typically need a conversion kit or a specific LP-regulated operator to ensure safe combustion pressures

Dwyer Instruments A-350 Aspirator Bulb 320819-301 meeting both American and EuropeanIf you're out in the field running leak checking tests or validating pressure switch calibration, the Dwyer A 350 Aspirator Bulb is a staple in the technicians bag. This manual pump is engineered to provide a reliable source of positive pressure or vacuum for various HVAC test instruments. By simply connecting your 1 4 inch tubing to the barbed fitting, you can generate the required pressure with a single hand. For vacuum applications, such as pulling