Selection Guide

Replacement Parts
Description Class
Cat No.
Parts Kits (for 69HA1, 69HA2, 69HAU1, 69HAU2, 69HB1, 69HB2, 69HBU1, 69HBU2) 69H 75HB69
Includes diaphragm and complete contact assembly
Parts Kits (for 69HA3, 69HAU3, 69HB3, 69HB2, 69HBU3) Includes diaphragm and complete contact assembly 69H 75HB369
Unloader valve 69M, 69H 69DCA
Grommets for 1/2" conduit hole 69M, 69H D00492001
Box connector for non-metallic cable fits 1/2" conduit hole
69M, 69H D35274001
Furnas Brand Class 69M/69H Pressure Switches–Air Systems
Catalog 4269M/4269H • Page 2
4269M/4269H
Application/Pricing
69M Dimensions
69M/69H Modifications
Catalog Number Suffix
Description Series Add suffixes in order shown
Auto-off disconnect lever 69M L
Unloader valve 69M Y
Quick connects (load terminal only) 69M, 69H A
Two rubber grommets for 1/2" conduit hole 69M, 69H G
NRMA 3 outdoor weatherproof enclosure– W
Cannot be used with Auto-Off disconnect lever
Two rubber grommets for 1/2" conduit hole X
Cannot be used with Auto-Off disconnect lever
Pipe Fittings
1/4" male NPT 69M, 69H 2A
1/8" female NPT 69M, 69H 2B
Four port manifold (each port is 1/4" NPT) 69M 2C
3/8" female NPT 69M 2J
1/4"-19 female BSP 69M, 69H 2R
1/4"-19 male BSP 69M, 69H 2W
1/4" female NPT 69H 2S
Special pressure settings: Suffix Z is followed by setting Z†
Example: 69HAU1LYZ90120
† See Instruction Sheet included with switch for manual adjusting instructions.
69H with Unloader Valve
69M with 4 Port Manifold
69M with Unloader Valve
and /or
Auto-Off
Lever
69M NEMA 3 & 4
Connection Diagram
69HA3, 69HB3
NEMA 3 & 4