Does the kit include the dial and bezel

The dark green spring defines the specific outlet pressure range of 6-16" WC

this LF223-LP series regulator is factory-calibrated for low-pressure environments but can be field-adjusted within the 10 to 35 psi range to meet specific site requirements

protecting downstream pneumatic equipment from contamination

Note that this is a "less coil" model

Titus HVAC D21-PS Relay 320788-703 Does the kit include theThe Titus HVAC D21 PS Relay is an essential electronic interface designed for commercial VAV terminals and electric duct heaters. As a proportional pull signal relay, this component integrates with patented Titus airflow sensors to modulate heater capacity based on real time cubic feet per minute (CFM) flux. This HVAC control relay eliminates the binary limitations of standard on off switches by translating a 0 10 VDC or AC DC pulse signal into