These gauges are designed for the pressure measurement of refrigeration systems. Most dials are furnished with corresponding temperature scales for the various refrigerants shown below. Standard connections are 1/8" NPT bottom for manifold gauges and 1/4" NPT for all other versions.

Weiss Temperature/Pressure Plugs allows for quick, efficient and accurate testing of hydronic pipe lines throughout HVAC systems. Offered in both nordel (blue cap) for hot and chilled water and neoprene (red cap) for natural gas. Weiss plugs are consistently rated at 1000 psi. The self-sealing core insures long life and continuous service.

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