22-138
(In Stock)
CHECK VALVE TEE: 22-138 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
21-038
(In Stock)
TRANSMITTER: 21-038 RESTRICTOR TEE, 1.0 SCFH, FOR USE WITH ONE-PIPE THERMOSTATS OR TRANSMITTERS, RED