and T46 series thermostats

Calibrated to a 340°F activation temperature

The Johnson Controls KIT21A-602 is a professional-grade replacement paddle kit specifically engineered for F61 series flow switches and F261 series liquid flow switches

Once the plenum temperature drops to a stable 110°F

or an oversized furnace for the existing ductwork

Maxitrol BV602-3/4 Ball Valve and T46 series thermostatsThe Maxitrol BV602 3 4 is a professional grade 3 4" NPT Manual Shutoff Ball Valve engineered for reliable isolation in gas, water, oil, and steam systems. Built with a robust forged brass body and featuring a hard chrome plated ball, this one piece valve is designed for high cycle durability and minimal friction. The innovative hollow ball design reduces the overall weight on the valve seats by up to 20%, significantly extending the service life