Pressure Tank Tee Kit:Suitable for most pressure tanks up to 16 inches in diameter.Both ends of the TEE have male 1" NPT female 3/4"NPT threads.Thus it will accommadate a variety of incoming and outgoing pipe sizes.Includes:11" Long Tee, 40-60 Pressure Switch,100 PSI Gauge, Brass Drain, Brass Nipple. Quality Pressure Switche:The Water Well Pump Pressure Switch automatically controls the pump on/off when pressure reaches 40/60 psi. When the water pressure tank switch is disconnected and overpressurized, the pressure relief valve sprays water to relieve pressure to protect the tank and piping. High Quality Brass:The Well Water Pressure Tank Tee is made of high quality brass and contains no lead. The connection is tight and durable. Simple installation allows for quick and easy installation for your household water use. EASY TO INSTALL: All the accessories you need to replace/install are included. The installer only needs to install it once. You can save more money compared to buying separately. Perfect kit for your home water and DIY water well. LIFETIME WARRANTY: Our Pressure Tank Tee Kit is made of high quality brass, which has an extra long life and comes with a lifetime warranty. Please buy with confidence, if you have any questions about the use, please feel free to contact us through Amazon.