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www.white-rodgers.com
31
THERMOSTATS
LINE VOLTAGE WALL THERMOSTATS
Electric Heat Thermostats used for Controlling Baseboards,
Cable Heat, Glass Panels, etc.
FEATURES
• 1A66 types are a double-pole disconnect model with “OFF” position which
mechanically breaks both sides of line.
• Classic White or Beige color.
SPECIFICATIONS
Dimensions. . . . . . . . . . . . . . . . . . . . . . . . 4
1
/
2
”H x 2
3
/
4
”W x 1
1
/
4
”D
Agency . . . . . . . . . . . . . . . . . . . . . . . . . . . U.L. listed and C.S.A. certied
Model Switch Resistive
Number Range Differential Action (Non-Inductive)
1A65-641 40 to 85°F (4 to 29°C) 1.0°F Open on Rise 22.0A, 120 VAC (2500W)
1A65W-641 ➀ 22.0A, 240 VAC (5000W)
18.0A, 277 VAC (5000W)
1A66-641 40 to 85°F (4 to 29°C) 1.0°F Open on Rise 22.0A, 240 VAC (5000W)
1A66W-641 ➀ 18.0A, 277 VAC (5000W)
1A65-610 ➁ 40 to 85°F (4 to 29°C) 1.0°F Open on Rise 22.0A, 120 VAC (2500W)
1A65-633 22.0A, 240 VAC (5000W)
1A65W-633 ➀ 18.0A, 277 VAC (5000W)
1A66-633 40 to 85°F (4 to 29°C) 1.0°F Open on Rise 22.0A, 240 VAC (5000W)
1A66W-633 ➀ 18.0A, 277 VAC (5000W)
PARTS AND ACCESSORIES See end of this section for additional parts and accessories
• F61-2152 – Wallplate (6
5
/
8
” x 4
5
/
8
”)
• F75-0176 – for locking or limiting temperatures at 66°, 69°, 72° or 75°F
Temperature limit can also be set at 60° or 63°F
• Thermostat guards – see pages 28-29
1A65-641
➀ W in model number denotes Classic White Color
➁ Model 1A65-610 features tamperproof setting
REPLACES HONEYWELL T498A/B SERIES
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LINE VOLTAGE
THERMOSTATS
Indicates Canadian Model Number: call 1-800-305-6953 to order
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LINE VOLTAGE BIMETAL WALL THERMOSTATS
Electric Heat Thermostats used for Controlling Baseboards,
Cable Heat, Glass Panels, etc.
FEATURES
• 1G66 types are a double-pole disconnect model with “OFF” position which
mechanically breaks both sides of line.
• Classic white.
SPECIFICATIONS
Dimensions. . . . . . . . . . . . . . . . . . . . . . . . 4
13
/
16
”H x 3
5
/
16
”W x 1
7
/
16
”D
Agency . . . . . . . . . . . . . . . . . . . . . . . . . . . U.L. listed and C.S.A. certied
Model Switch Resistive
Number Range Differential Action (Non-Inductive)
1G65-641 40 to 80°F (4 to 26°C) 2.0°F Open on Rise 22.0A, 120 VAC (2500W)
22.0A, 240 VAC (5000W)
18.0A, 277 VAC (5000W)
1G66-641 40 to 80°F (4 to 26°C) 2.0°F Open on Rise 22.0A, 240 VAC (5000W)
18.0A, 277 VAC (5000W)
1G65-633 40 to 80°F (4 to 26°C) 1.0°C Open on Rise 22.0A, 120 VAC (2500W)
22.0A, 240 VAC (5000W)
18.0A, 277 VAC (5000W)
1G66-633 40 to 80°F (4 to 26°C) 1.0°C Open on Rise 22.0A, 240 VAC (5000W)
18.0A, 277 VAC (5000W)
PARTS AND ACCESSORIES See end of this section for additional parts and accessories
• F61-2685 – Wallplate (4
3
/
16
” x 5
11
/
16
”)
• Thermostat guards – see pages 28-29
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1G66-641