Model NO.97, 1/8" Automatic Air Vent (Male Threaded NPT)Float type automatic air vent that is designed to vent troublesome air from hydronic heating systems. The 97 vent has forged brass body and cap with non ferrous internals. Specs: Part Number: 113222 Application: Automatic Air Vent Thread Type: Male NPT Connection sizes: 1 8" Body Pattern: Straight System Type: Hydronic (Water) Max temperature: 240F Height: 3 1 8" Width: 1 7 8" Material: Brass Max Pressure: 150 psi Connection Type: Threaded

On warmer days the outdoor sensor will limit the water temperature based on the outside temperature so that your home isn’t wasting energy

The valve includes one upper and one lower valve with tapped 1" FIP connections for mounting at crosses in the equalizing lines

United Brass Works 1 1/2" Knife Gate Valve Quick Opening Flanged Blow-Off Valve

Thermolec B-23

The heavy duty butyl diaphragm separates system water from the air in the tank preventing water logging problems

refer to thermostat specs

Thermolec B-6

Model 425 - 1" The United Brass quick opening boiler blow donw valve has been designed for the rugged service of boiler treatment and scale

3″ and 6″ (25

Transparent zone above nut for checking the status of the actuator

Connection sizes: 3/4"

Each EVO thermostatic operator is individually calibrated and conforms to ASHRAE standardization rules for temperature regulation