American Granby IPVG30254L Vacuum Gauge 0-30 inHg 2.5 in Face

American Granby IPVG30254L Vacuum Gauge 0-30 inHg 2.5 in Face

Same diagnostic job as the standard vacuum gauge — proving out suction-side problems on a pump that loses prime or runs weak — but on a bigger, easier-to-read 2.5 in face. This American Granby IPVG30254L is the Harvard-line vacuum gauge reading 0–30 inHg, with a brass 1/4 in MPT lower (bottom) mount for the suction side of the system.

🚩 PRO TIP: Take a baseline reading when the system is healthy and write it on the gauge bezel with a marker — the next time flow drops, one glance tells you whether the suction side has changed.

PRODUCT FEATURES & SPECIFICATIONS:

• Brand: American Granby (Harvard)
• MPN: IPVG30254L
• UPC: 642026004107
• Type: Vacuum Gauge
• Range: 0–30 inHg
• Face: 2.5 in dial
• Connection: Brass 1/4 in MPT, lower (bottom) mount
• Dial note: Marked "Not for oxygen use" (as shown)
• Weight: 0.2438 lb

FREQUENTLY ASKED QUESTIONS:

• Why choose the 2.5 in face? The larger dial is easier to read at a glance in an equipment pad — same 0–30 inHg range and 1/4 in mount as the 2 in version.
• Where does it install? On the suction side of the pump, such as a pump lid drain port or tapped suction fitting, with PTFE tape on the brass threads.
• What does a high reading mean? High vacuum with low flow means a suction-side restriction — clogged impeller, full pump basket, or a blocked line.

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