Restrictor, for use on 1/4" O.D. copper tubing or can be used on polythylene with insert

Restrictor Tee, .007, 1.0 scfh, for use with one-pipe thermostats or transmitters, red

Restrictor Tee, 20 scim, 0.5 scfh, for special applications requiring low air flow

In-line Check Valve, will operate on 1/4 psi differential

In-line Restrictor, .007, 1.0 scfh for use with NCS-TUBE or 1/4" poly tube

FITTING, 3/16"BARBx1/4"MPT

Sealing Cap

Pneumodular Check Valve, mounts on upper end of 22-120 socket

Gauge Adaptor, 1/8" -27fpt threads for adapting standard pressure gauges for insertion into 22-137 check valve and 22-143 check valve tee. Also for all 2x2" room thermostats, humidistat and transmitters

Sealing Plug for sealing unused connections of 22-120 socket