Honeywell HON 670 Component Documentation, Maintenance Manual And Spare Parts page 11

Physical design of the
pressure unit
Controller connection
lines
HON 670 / HON 671 Controllers Component Documentation
The pressure unit consists of the following individual components:
Figure
The controller features the following connections:
Figure
No. Description
1 Piston
2 Controller connection
No. Connection
1 Measuring line
2 Vent line
3 Pressure unit
Description
Pipe connection
thread type
Metric Imperial
E12L 1/2"
E12L 1/2"
E10L 3/8"
11