Johnson Controls KNB26A-600R Knob As an OEM furnace replacement

As an OEM furnace replacement part

always verify the internal mounting dimensions and center port clearance before attempting to cross-reference with other manufacturers

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

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

Its robust construction and standardized mounting make it an essential furnace safety switch for maintaining equipment uptime and protecting the heat exchanger from excessive thermal stress

Johnson Controls KNB26A-600R Knob As an OEM furnace replacementThe 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