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Retrofit an Existing Heat Thermostat with this Universal Replacement Thermostat
Robertshaw 801 Line Voltage Heating Only Thermostat, SPST
Robertshaw 801 Line Voltage Heating Only Thermostat, SPST
Robertshaw 801Line Voltage Heating Only Thermostat, SPST
Item# 29900
Price: $33.97
Free shipping on orders over $175 - See Details


  • Convenient Temperature Display - View comfort level at-a-glance
  • Bimetal Temperature Sensing - For improved thermal performance
  • Mercury-Free - No leveling or special disposal required
  • J-Box Compatible - Not only will it meet code, but it speeds up installation
  • Positive-Off - Assured shutdown of HVAC system

Essential Info

High Performance. It's what the industry has been looking for - a line voltage thermostat with the performance and accuracy of a low voltage control. The Robertshaw® 800 series are universal replacements for many other brands and can be used to retrofit most existing electric heat thermostats. With models for heating that include single-line break and double-line break as well as a single-line break cooling model, there's one for every application. When you select a Robertshaw thermostat, you've made the choice of an industry partner that's been making quality products for 100 years.

The Robertshaw 801 Thermostat is a line voltage, heating only themostat that features Single-Pull Single-Throw (SPST) Switch Action. A Line Voltage Heating Only Double-Pull Single-Throw (DPST) vesion of this thermostat is sold separately.


More Info

The Robertshaw 800 Series Replaces:
Robertshaw 500 Series
White-Rodgers Company* 1A11-2, 1A65-641, 1A66-641
Honeywell, Inc.* T498, T4398, T410

* Verify specific application requirements before substitution.


  • Electrical rating:18-25 Amp, 120/240/277 VAC Non-Inductive, 1/4 HP, 120 VAC, 1/3 HP, 240 VAC, 125 VA Pilot Duty
  • Temperature control range: 50° F to 90° F (10° C to 32° C)
  • Accuracy: +/- 2° F
  • 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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