Digital differential pressure indicator for HVAC
Bacharach
Draftrite Pocket Gauge
This pocket size instrument is conveniently held in one hand when being used, making it extremely suitable for heating contractors and service technicians. The free-floating pointer indicates sudden changes from draft to pressure caused by "puffbacks". Suitable for checking flue pipe, chimney, fire box, smoke hood, smoke pipe draft, draft regulator, oil burner firing rate, and basement ventilation.
