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Copyright © 2001 Honeywell  •  All Rights Reserved 
INSTALLATION INSTRUCTIONS
60- 0786- 7
L8124B,E,G,L
Aquastat
® Relays
APPLICATION
These immersion type controllers provide high limit, low 
limit, and circulator control in forced hydronic heating 
systems that include domestic hot water. Table 1 lists the 
various TRADELINE
® models and applications.
SPECIFICATIONS
Low Limit:
Setting: 110°F to 220°F (43°C to 104°C), adjustable.
Differential: 10°F to 25°F (6°C to 14°C),...