Johnson Controls KNB26A-600R Knob heat-resistant elastomer materials capable of

heat-resistant elastomer materials capable of withstanding the thermal cycling common in Lochinvar Knight and Armor water heater applications

Replacing the 22-133 is recommended whenever a device is unmounted to ensure a fresh

Designed to create an airtight seal between the draft inducer blower assembly and the heat exchanger collector box

maintaining original system efficiencies and safety certifications without the need for field modifications

As an OEM furnace replacement part

Johnson Controls KNB26A-600R Knob heat-resistant elastomer materials capable ofThe Johnson Controls KNB26A 600R is a field replaceable thermostat adjustment knob specifically engineered for Penn T26, W43, and W45 series controls. This HVAC replacement part is essential for restoring precise setpoint control on heavy duty line voltage thermostats and humidistats equipped with plastic covers. Built from durable, high impact plastic, the KNB26A 600R knob assembly includes the integrated trim disc, ensuring a flush fit and