Set filter replacement interval

Honeywell RTH7500. Good thermostat; horrible instructions! The manual states that the interval can be changed but doesn't provide instructions on how to access those settings. Stupid oversight.
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.