White-Rodgers Electric Heat Thermostat (B50)

Item no: 4464400 | 786710541520
200  Estimated 

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  • 4 wire DPST
  • 4.5" x 3.1" x 1.3"
  • Switch range: 22A (5000W) 240VAC 19A (5000W) 277VAC 22A (2500W) 120VAC
  • Temperature range: 40 to 80 degrees F, differential of 3 degrees F
  • For use where local codes require that a double line disconnect thermostat be used
  • Designed for use on all types of electrical heating installations such as cable heat, baseboards, wall insert heaters, etc.
  • Includes wall cover plate, two cover mounting screws and three temperature limiting pins
  • 1 year warranty

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What people are saying

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by PowerReviews
White-Rodgers Electric Heat Thermostat (B50)

(based on 2 reviews)

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Reviewed by 2 customers

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Attractive,Can Be an Install Challenge

By John

from La Palma, CA

About Me Handyman, Property Manager

Verified Buyer


  • Easy To Adjust
  • Intuitive Controls


  • Flimsy Bezel

Best Uses

  • Homes
  • Offices
  • Small Rooms

Comments about White-Rodgers Electric Heat Thermostat (B50):

This is a very attractive wall thermostat that is easy to understand and has a definite OFF detent when you turn it OFF. However the bezel is rather fimsy and must be mounted via the thermostat mounting screws as you mount the thermostat into the wall. If the mounting holes in the wall are deep the bezel keeps getting in the way and makes the insertion of the screws difficult. Also the bezel keeps slipping off the mounting screws. I have used other brands where this is not the case. The manufacturer needs to find a better way to mount the bezel especially when the mounting holes are deep in the wall.

(1 of 1 customers found this review helpful)


Rare low temperature differential.

By Sosipater

from Lake Stevens, WA

About Me Handyman, Renter

Verified Reviewer


  • Easy To Adjust
  • Easy To Install
  • Intuitive Controls
  • Low Temp Differential
  • Silent


  • No Wire Nuts Included

Best Uses

  • Homes
  • Individual Room Control
  • Small Rooms

Comments about White-Rodgers Electric Heat Thermostat (B50):

Temperature differential stated as 3 degrees - in actual use this appears to be about right. You probably won't find a lower differential on a line voltage (120/240v) thermostat at any reasonable price. Most are around 5-6 degrees, which I find highly annoying. First too hot, then too cold. This thermo gives a more even temperature.

Two minor nits:
1. When used on a single pole circuit, two of the on-board wires must be directly connected to each other. This requires an extra wire nut and none are provided in the package. No problem if you already have some, otherwise buy one.
2. The degree scale printed on the face isn't even close to actual room temperatures. However, this is the case with ALL line level thermos I've encountered so don't hold it against this one. Some don't use numbers at all because the manufacturers know they're useless.

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