Specifications

64
65
Selection Guide
Product Number
Fuel Low Limit High Limit Features and Functions
Gas Oil
Operating Range,
Low Limit
Differential Temperature,
Low Limit
Operating Range,
High Limit
Differential Temperature,
High Limit
Switching Action
Anticipator
Setting
Mounting
L7224U1002 • 110˚ to 220˚ F 10˚ to 25˚ F adj. 130˚ to 240˚ F 5˚ to 20˚ F adj.
3 SPST: High and
Low Limit, Circulator
0.1 A V/H/F
Cross-Reference Guide
OS Number Replaces Mounting Orientation High Limit
High Limit
Difference
Low Limit Low Limit Difference
L7224U1002
L7124A1017, L7124A1025, L7224A1008, L7224A1016,
L8124A1007, L8124A1015, L8124A1049, L8124A1098,
L8124A1106, L8124A1114, L8124A1122, L8124A1130,
L8124A1155
Well Mounted – Vertical 130˚ to 240˚ F 10˚ F 110˚ to 220˚ F 10˚ to 25˚ F
L7124C1005, L7224C1004, L8124C1003, L8124C1011,
L8124C1029, L8124C1094, L8124C1102
Well Mounted – Horizontal 130˚ to 240˚ F 10˚ F 110˚ to 220˚ F 10˚ to 25˚ F
L7148A1019, L7248C1014, L8148A1009, L8148A1025,
L8148A1033, L8148A1058, L8148A1066, L8148A1074,
L8148A1082, L8148A1090, L8148A1116, L8148A1157
Well Mounted – Horizontal 180˚ to 220˚ F 15˚ F
L7148A1035, L7248C1006, L8148A1017, L8148A1065,
L8148A1124, L8148A1140
Well Mounted – Horizontal 140˚ to 240˚ F 15˚ F
L7148A1050, L7248A1000, L8148A1157 Well Mounted – Vertical 180˚ to 220˚ F 15˚ F
L7248C1022 Flush Mounted – Vertical 140˚ to 240˚ F 15˚ F
Replacement Sensor
Part Number Length (in.)
50001464-001 12
50001464-004 36
50001464-005 48
L7224U Universal Electronic Oil Aquastat
®
Selection Guide
Telephone Access Module
Part Number Description
W8735D1009 2-Channel TAM
W8735D1017 4-Channel TAM
VisionPRO
®
IAQ Total Home Comfort System
Part Number Description
TH9421C1004 Thermostat Only
YTH9421C1002 Thermostat and Equipment Interface Module
THM5421C1008 Equipment Interface Module Only
Telephone Access Module Selection Guide
The Telephone Access Module provides remote telephone access to the
HVAC system when used with an EnviraCOM™ enabled thermostat such
as the VisionPRO® IAQ thermostat.
Notes