US$ 39.95
meaning it will close the circuit again once the temperature drops below its differential set point
Offers versatile installation options: inside or outside duct
By utilizing high-temperature resistant ceramic construction
The Lennox 58H31 Pressure Switch is a critical safety component designed for precise draft verification in residential and light commercial HVAC systems
Johnson Controls XP-9107-8304 Expansion Module 319852-301 meaning it will close theEXPANSION MODULE; DIG,4BO
US$ 39.95
US$ 29.95
US$ 219.97