Thermostat conditions to watch for

Heating · Furnaces and Boilers · printed page 177 (PDF page 178)

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Book index entries

Thermostat Conditions Conditions to Watch for on Wood Furnaces Wood Furnace

Text in the illustration

not level
loose
damaged
poor location
dirty
poor adjustment/calibration
anticipator problems

Generated explanation

The illustration shows three wall thermostats demonstrating conditions to watch for during a heating-system inspection. The left thermostat is tilted, with a spirit level alongside it to illustrate an out-of-level installation. The center thermostat has dashed outlines and movement arrows indicating loose mounting. The right thermostat has a visibly cracked face indicating damage. Additional annotations identify poor location, dirt, poor adjustment or calibration, and anticipator problems as inspection concerns.

Components

wall thermostat thermostat temperature dial thermostat adjustment lever thermostat cover spirit level

Defects shown

Thermostat not level Loose thermostat mounting Damaged thermostat Poor thermostat location Dirty thermostat Poor thermostat adjustment or calibration Thermostat anticipator problems