Weiss 41/2″ CTS/CTA Pressure Gauges are designed to meet the standard specifications for Heating, Cooling and Air Conditioning applications. The CTS has a stainless steel case for stem mount and the CTA is an aluminum back flange case for either stem or surface mounting. Both versions conform with ANSI B40.
POINTER: Balanced adjustable aluminum. DIAL: White coated metal, lithographed with black graduation lines and numerals. MOVEMENT: Brass construction. BOURDON TUBE & SOCKET: Phosphor bronze bourdon. Brass stock socket 9/16″ square wrench surface and 1/4″ NPT lower connection. Soft-soldered construction.