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GAS WATER HEATER CONTROLS 112 – 114
Description Model(s) Page(s)
37E Series Intellivent Controls....................................................................... 37E ......................................................................... 112
11E79-101 Integrated Controls...................................................................... 11E79-101.............................................................. 112
37C Series Controls....................................................................................... 37C ......................................................................... 113
11B79-3 Commercial Controls....................................................................... 11B79-3 .................................................................. 114
Range
Max.
Range
Min.
Differential
Max.
Differential
Min. Model Element
Switch
Action
Page
Number
240°F 100°F 10°F Fixed 10°F Fixed 1127-2 Surface Mount SPDT 109
240°F 100°F 45°F 7°F 1131-102 Well Immersion SPDT 107
240°F 100°F 45°F 5°F 11B18-101 Well Immersion Open on Rise 107
240°F 100°F 45°F 5°F 11D18-1 Well Immersion Open on Rise 107
240°F 100°F 45°F 7°F 11D31-1 Well Immersion SPDT 107
INDEX
HYDRONIC /
APPLIANCE
HYDRONIC ZONE CONTROLS 104 – 109
Description Model(s) Page(s)
2-Wire or 3-Wire Hydronic Zone Controls...................................................... 1311 / 1361 Series................................................. 104
Direct Connect Zone Valves.......................................................................... Z Series. ................................................................ 105
Automatic Change-Over Controls.................................................................. 752 Series.............................................................. 106
Well Immersion Single Control....................................................................... 1100 Series ............................................................ 107
Immersion Wells and Packing Nut................................................................. F89 / F55 Series .................................................... 108
Surface (Strap-On) Types.............................................................................. 1100 Series ............................................................ 109
RELAYS / TRANSFORMERS 109
Description Model(s) Page(s)
Relay/Transformer Combinations.................................................................. 800 Series.............................................................. 109
GAS DRYER VALVES 110
Description Model(s) Page(s)
Gas Valves and Coils..................................................................................... 25M / F91 Series. .................................................. 110
ELECTRIC WATER HEATER THERMOSTATS 111
PARTS AND ACCESSORIES 115
HYDRONIC CONTROLS INDEXED BY RANGE
103
HYDRONIC /APPLIANCE