Honeywell 14004406-311 Humidistat Cover This replacement pneumatic cover ensures

This replacement pneumatic cover ensures that your 1-pipe or 2-pipe T-4000 series instruments remain calibrated and protected in high-traffic environments

it manages both the furnace blower timing (turning the fan on/off based on plenum temperature) and the safety high-limit shutoff for the burners

the system throwing a high-limit lockout code

Built to meet rigorous factory specifications

and fluorocarbon elastomer O-rings

Honeywell 14004406-311 Humidistat Cover This replacement pneumatic cover ensuresMaintain the integrity of your pneumatic control systems with the Honeywell 14004406 311 chrome cover. This vertical humidistat cover is engineered for industrial and commercial environments, providing a rugged shield for Honeywell TP970 series and compatible pneumatic thermostats. Designed specifically for vertical mounting, this unit features a 60 90 degree Fahrenheit adjustable scale with integrated windows for both setpoint and thermometer