IWTG-GAS
Air Test Assembly Gauges
Series IWTG-Gas Air Test Assembly Gauges are used in commercial, residential, and institutional HVAC applications It consists of a 3/4 in. FPT chrome-plated brass manifold, steel case, Kostil Polymer window, 3/4 in. FPT x Schrader type air valve w/cap connection, and copper alloy Bourdon tube pressure element. Accuracy is ASME, Type B. Available in various pressure rating scales.
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Approval/Certification Information
For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:
| ASSE | CSA | FM Approvals | NSF |
| UL | ULC | USC | WQA |