

Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The WATTS BRASS TUBULAR 3/4 IWTG-GAS is a gas air test assembly gauge designed for pressure testing gas piping systems in commercial, residential, and institutional HVAC applications. Rated from 0 to 30 PSI, it uses a copper alloy Bourdon tube pressure element to deliver accurate readings in accordance with ASME Type B accuracy standards. The gauge features a 3/4 inch chrome plated brass manifold, a steel case, and a Kostil polymer window. Licensed HVAC technicians and plumbers use this gauge to verify gas line integrity before system commissioning or after service work.
This gauge is suited for gas piping pressure tests across a range of job types including new construction, retrofit, and service calls in commercial, residential, and institutional settings. The 3/4 inch female iron pipe connection paired with a Schrader type air valve with cap allows for straightforward attachment to standard gas test points. Its ASME Type B accuracy rating makes it appropriate for code-required pressure verification procedures in HVAC and plumbing gas piping work.
Designed for use in commercial, residential, and institutional HVAC gas piping applications requiring a 3/4 inch female iron pipe connection for air pressure testing.
Installation and use of this gauge should be performed by a licensed plumber or HVAC technician in accordance with applicable local codes and IFGC requirements. Ensure the gas supply is fully shut off and the line is isolated before connecting the gauge to any test port. Do not exceed the 30 PSI rated pressure range during testing. Remove the gauge and cap the Schrader valve after testing is complete.
Thanks for subscribing!
This email has been registered!