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141
HYDRONIC
SURFACE (STRAP-ON) TYPES
Attach Directly to Surface of Pipe. Types for use as High Limit,
Reverse Acting or SPDT Switching Action Control.
FEATURES
• Sensing element has twice the contact area of competitive models.
• Hydraulic action element can be mounted in any position — no leveling required.
• Dustproof steel case.
• Special screw terminals with “ears” securely hold solid and stranded wires.
• Includes pipe strap and mounting screws.
Full Motor Rating Valves and
Model Switch Electrical (Full Load) Relays
Number Range Differential Action Rating 120 VAC 240 VAC 24 VAC 0.3-12v DC
11B02-1 ➀ 100 to 240°F Fixed 10°F Open on Rise HTV 10.0A 6.0A 6.0A 1.0A
(38 to 116°C) (5.5°C) See page 416
1127-2 ➁ 100 to 240°F Fixed 10°F SPDT HH 7.4A 3.7A 2.9A —
(38 to 116°C) (5.5°C) See page 416
1127-9 60 to 200°F Fixed 15°F SPDT HH 7.4A 3.7A 2.9A —
(16 to 93°C) (8°C) See page 416
➀ Has U.L. approved adjustable dial stop, factory set at 220°F maximum.
➁ Has U.L. approved adjustable dial stop, factory set at 150°F maximum.
1127-2
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SPDT Contact Structure
HH Rated Controls
Switch Action
R-B Open on Rise
R-W Close on Rise
SPECIFICATIONS
Dimensions. . . . . . . . . . . . . . . . . . . . . . . . 6
7
/
8
”H (includes plate) x 2
5
/
16
” W x 3
3
/
16
”D
Finish . . . . . . . . . . . . . . . . . . . . . . . . . . . . Grey
Agency . . . . . . . . . . . . . . . . . . . . . . . . . . . U.L. listed and C.S.A. certied
DUAL ACTION – SINGLE ELEMENT CONTROLS
Designed to Replace Any Immersion Type Hot Water Control –
High Limit, Low Limit or High-Low Limit/Circulation Combination
FEATURES
• Dual action controls use a single hydraulic action element to operate two precision
snap switches.
• Dustproof steel case with top and bottom knockouts and snap-on cover.
• Large screw terminals and ample wiring space.
• Extra capillary for standard or extended shank well. (Shipped without well. Except
11C30-3)
Motor Rating Valves and
Model Switch (Full Load) Relays
Number Range Differential Action 120 VAC 240 VAC 120 VAC 240 VAC
11C15-11 High Limit: 140 to 240°F (60 to 116°C) Adj. 10 to 35°F Open on Rise 8.0A 6.0A 3.2A 0.25A
Circulator: 100 to 200°F (38 to 93°C) (6 to 19°C) Close on Rise 8.0A 6.0A 3.2A –
11C30-3 High Limit: 140 to 240°F (60 to 116°C) Fixed 10°F (6°C) Open on Rise 8.0A 6.0A – 0.25A
Low Limit: 140 to 240°F (60 to 116°C) Adj.10 to 35°F (6 to 19°C)
11B54-4 High Limit: 100 to 240°F (45 to 116°C) Fixed 5°F (3°C) Open on Rise 10.0A 6.0A 6.0A 1.0A
Low Limit: 60 to 110°F (16 to 43°C) Fixed 3°F (1.5°C)
11C61-12 High Limit: 140 to 240°F (60 to 116°C) Adj. 10 to 35°F Open on Rise 8.0A 6.0A – 0.25A
Low Limit: 100 to 200°F (38 to 93°C) (6 to 19°C) SPDT
11C15-11
SPECIFICATIONS
Dimensions. . . . . . . . . . . . . . . . . . . . . . . . 4
1
/
16
”H x 3
3
/
4
”W x 2
5
/
16
”D
Finish . . . . . . . . . . . . . . . . . . . . . . . . . . . . Grey
Agency . . . . . . . . . . . . . . . . . . . . . . . . . . . U.L. listed and C.S.A. certied
PARTS AND ACCESSORIES See end of this section for additional parts and accessories
• F145-0650 – Well adapter and heat conductive compound
• F71-0924 – Well adapter only
• F145-0163 – Tube heat conductive compound
• For immersion wells, see page 147
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Terminal
Panel
HYDRONIC
CONTROLS
Indicates Canadian Model Number: call 1-800-305-6953 to order
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