Emerson Alco 065411 Indicator Els PW 29614 and 4-inch square back boxes

and 4-inch square back boxes using a plaster ring

Is this valve kit compatible with natural gas systems

It is calibrated with a violet spring for a 4-12"wc outlet pressure range

While both fit similar regulator bodies

000 BTU or 40

Emerson Alco 065411 Indicator Els PW 29614 and 4-inch square back boxesThe Emerson Alco 065411, model HMI 1TT9, is a high performance hermetic moisture liquid indicator designed for rigorous HVACR applications. This 1 1 8" ODF sweat indicator provides critical system diagnostics by monitoring refrigerant moisture levels and liquid line saturation. Engineered with a large, high visibility sight glass and a precision color changing element, it ensures technicians can accurately detect moisture before it leads to acid