or an oversized furnace for the existing ductwork

and T46 series thermostats

Can it be used to mount a thermostat to a horizontal junction box

though specific mounting configurations may vary by application

Does this part require a separate power source

Maxitrol BV602-3/4 Ball Valve or an oversized furnace forThe 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