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Thermostat Types
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24V AC
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Beginner (Installs < 10 minutes)
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Retrofit an Existing Heat/Cool Thermostat with this Replacement Thermostat
Robertshaw 9200H 24-Volt AC 1 Heat / 1 Cool Deluxe Mechanical Thermostat, SPDT (Horizontal)
Robertshaw 9200H 24-Volt AC 1 Heat / 1 Cool Deluxe Mechanical Thermostat, SPDT (Horizontal)
Robertshaw 9200H 24-Volt AC 1 Heat / 1 Cool Deluxe Mechanical Thermostat, SPDT (Horizontal)
Item# 29902H
Price: Normally $50.87 
Hot Deal $25.76
Free shipping on orders over $175 - See Details


  • Heavy Duty Adjustable Heat Anticipator - More anticipation settings to choose from allows use on a wider range of heating equipment
  • No sub-base required - Simple base and cover design speeds installation - base can be mounted on wall, freeing both hands for wiring.
  • Mercury-Free - No leveling required. Speeds up installation time
  • J-Box Compatible - Not only will it meet code, but it speeds up installation
  • Positive-Off Switch - Assured shutdown of HVAC system

Essential Info

The 9200 Series Low Voltage Thermostats combine the reliable sealed-in-glass mercury free switch with the latest design technology contemporary looks in vertical and horizontal models. Compatible with most heating and/or cooling applications including single stage heat pumps and electrical heat. No subbase is required and they will mount directly to the wall or on a standard J-Box. The 24 volt models are equipped with a wide range heat anticipator which allows greater replacement possibilities.

The Robertshaw 9200H Thermostat is a 24 Volt AC 1 Heat / 1 Cool Mechanical Themostat for Gas/Electric Systems and features Single-Pull Double-Throw (SPDT) Switch Action. Terminations: W, Y, O, G, Rc, Rh, B. A System Switch and Fan Switch are each included. The 9200H is a Horizontal mount thermostat, a Vertical mount version of this thermostat is sold separately.

More Info

The Robertshaw 9200 Series Replaces:
Robertshaw® 255/277 Series
Honeywell 1F56
White-Rodgers T834

Verify specific application requirements before substitution.


  • Electrical rating 24 Volt application: 24 volt, 30 VAC, 1.6 amp max.
  • Electrical rating Millivolt application: 250-750 millivolts (Thermostat comes set for 24 volt, anticipator must be adjusted for millivolt use)
  • Anticipation 24 volt models: .2 to 1.6 amps
  • Factory setting: .6 amps
  • Cooling anticipation fixed: 4700 ohms
  • Temperature range: 50° F to 90° F (10° C to 32° C)
  • Differential: +/-2° F
  • Dimensions: 4-1/2" W X 3-1/4" H X 1-5/8" D
  • Important notes:
    Defective exchanges for identical item within 30 days of purchase. After 30 days, please contact the manufacturer.
    Manufacturer contact information: Johnstone Supply, Tel: (503) 256-3663


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    JAMES DAL -- rough and ready, CA   5/5/2012
    Easy install and works perfectly.

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