When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
These controllers have been pulled from a working environment due to facility wide HVAC upgrades. All controllers were used indoors in a low humidity environment. Controllers were pulled Spring of 2022 by experienced HVAC contractors. Controllers may come with mounting boxes that prevented heavy dust build up. These controllers are being sold as is. If you have additional questions, please contact me before purchase ends.
New In Box JOHNSON CONTROLS F61KB-11C Water Flow Switch
$49.50
JOHNSON CONTROLS MODP20GA-26 PRESSURE SWITCH 400psi High Limit Sealed New
$44.10
digital controller Johnson Controls A419 Digital Controller
$29.00
Popular Tutorials
Alarms and Indicator Circuit diagrams