ORDERING INFORMATION
When ordering specify
• Setting point(control and limit if necessary)
• Type of contact (SPDT/SPST/ electrical rating)
• Number of sensing point (single/dual)
• Type of mounting (direct immersion/panel/surface)
• Differential (adjustable/fixed/manual reset)
• Capillary length
L: Aquastat
Control contact:
4: SPST
6: SPDT
1: Family
88: Single aquastat, direct immersion
89: Single aquastat, panel mounting
90: Single aquastat, surface mounting
91: Dual aquastat, direct mounting
92: Triple aquastat, direct mounting
Ordering Specification number
L 4 1 X
X
A 9999
Fig. 11. Model number chart
21
Specification number
A: Single: knob setting
Dual:
automatic reset limiter
B: Single: internal setting (screw)
Dual:
manual reset limiter
C: Single: manual reset
EN2R-9005 0406R3-NE