Spirotherm 1/2" NPT brass Spirotop air release valve with a maximum working pressure of 150 psi and a maximum operating temperature of 270°F. The Spirotop VTP has a unique "dry" vent design that helps prevent the system fluid from reaching the spring actuated seat and seal assembly, which is the cause of most conventional air vent failures.

Spirotherm Spirotrap TDN Junior series 1" NPT brass dirt separator with drain for residential and light commercial applications.

Spirotherm Spirotrap TDN Junior series 1" SWT brass dirt separator with drain for residential and light commercial applications.

Spirotherm Spirotrap TDN Junior series 1-1/4" NPT brass dirt separator with drain for residential and light commercial applications.

Spirotherm Spirotrap TDN Junior series 1-1/4" SWT brass dirt separator with drain for residential and light commercial applications.

Spirotherm Spirotrap TDN Junior series 1-1/2" NPT brass dirt separator with drain for residential and light commercial applications.

Spirotherm Spirotrap TDN Junior series 1-1/2" SWT brass dirt separator with drain for residential and light commercial applications.

Spirotherm Spirotrap TDN Junior series 2" NPT brass dirt separator with drain for residential and light commercial applications.

Spirotherm Spirotrap TDN Junior series 2" SWT brass dirt separator with drain for residential and light commercial applications.

Spirotherm Spirovent VDR Junior series 1" NPT brass combination air eliminator and dirt separator for residential and light commercial applications.

Spirotherm Spirovent VDR Junior series 1" SWT brass combination air eliminator and dirt separator for residential and light commercial applications.

Spirotherm Spirovent VDR Junior series 1-1/4" NPT brass combination air eliminator and dirt separator for residential and light commercial applications.

Spirotherm Spirovent VDR Junior series 1-1/4" SWT brass combination air eliminator and dirt separator for residential and light commercial applications.

Spirotherm Spirovent VDR Junior series 1-1/2" NPT brass combination air eliminator and dirt separator for residential and light commercial applications.

Spirotherm Spirovent VDT series 4" flanged fabricated steel combination air eliminator and dirt separator for commercial applications.

Spirotherm Spirovent VDT series 5" flanged fabricated steel combination air eliminator and dirt separator for commercial applications.

Spirotherm Spirovent VDT series 6" flanged fabricated steel combination air eliminator and dirt separator for commercial applications.

Spirotherm Spirovent Quad VDX series 1" NPT brass hydraulic separator for commercial applications. This unit combines an air eliminator and dirt separator with a center chamber between the four nozzles.

Spirotherm Spirovent Quad VDX series 1" SWT brass hydraulic separator for commercial applications. This unit combines an air eliminator and dirt separator with a center chamber between the four nozzles.

Spirotherm Spirovent Quad VDX series 1-1/4" NPT brass hydraulic separator for commercial applications. This unit combines an air eliminator and dirt separator with a center chamber between the four nozzles.

Spirotherm Spirovent Quad VDX series 1-1/4" SWT brass hydraulic separator for commercial applications. This unit combines an air eliminator and dirt separator with a center chamber between the four nozzles.

Spirotherm Spirovent Quad VDX series 1-1/2" NPT brass hydraulic separator for commercial applications. This unit combines an air eliminator and dirt separator with a center chamber between the four nozzles.

Spirotherm Spirovent Quad VDX series 2-1/2" NPT steel hydraulic separator for commercial applications. This unit combines an air eliminator and dirt separator with a center chamber between the four nozzles.

Spirotherm Spirovent Quad VDX series 3" flanged steel hydraulic separator for commercial applications. This unit combines an air eliminator and dirt separator with a center chamber between the four nozzles.

Spirotherm Spirovent Quad VDX series 4" flanged steel hydraulic separator for commercial applications. This unit combines an air eliminator and dirt separator with a center chamber between the four nozzles.

Spirotherm Spirovent Quad VDX series 4" NPT steel hydraulic separator for commercial applications. This unit combines an air eliminator and dirt separator with a center chamber between the four nozzles.

Spirotherm Spirovent Junior VJR series 3/4" NPT brass microbubble separator for residential and light commercial applications. This unit scrubs the air from the system fluid and allows it to break free in a low velocity, low turbulence removal chamber.

Spirotherm Spirovent Junior VJR series 1" NPT brass microbubble separator for residential and light commercial applications. This unit scrubs the air from the system fluid and allows it to break free in a low velocity, low turbulence removal chamber.

Spirotherm Spirovent Junior VJR series 1-1/4" NPT brass microbubble separator for residential and light commercial applications. This unit scrubs the air from the system fluid and allows it to break free in a low velocity, low turbulence removal chamber.

Spirotherm Spirovent Junior VJR series 1-1/2" NPT brass microbubble separator for residential and light commercial applications. This unit scrubs the air from the system fluid and allows it to break free in a low velocity, low turbulence removal chamber.

Spirotherm Spirovent Junior VJR series 2" NPT brass microbubble separator for residential and light commercial applications. This unit scrubs the air from the system fluid and allows it to break free in a low velocity, low turbulence removal chamber.

Spirotherm Spirovent Junior VJS series 3/4" SWT brass microbubble separator for residential and light commercial applications. This unit scrubs the air from the system fluid and allows it to break free in a low velocity, low turbulence removal chamber.

Spirotherm Spirovent Junior VJS series 1" SWT brass microbubble separator for residential and light commercial applications. This unit scrubs the air from the system fluid and allows it to break free in a low velocity, low turbulence removal chamber.

Spirotherm Spirovent Junior VJS series 1-1/4" SWT brass microbubble separator for residential and light commercial applications. This unit scrubs the air from the system fluid and allows it to break free in a low velocity, low turbulence removal chamber.

Spirotherm Spirovent Junior VJS series 1-1/2" SWT brass microbubble separator for residential and light commercial applications. This unit scrubs the air from the system fluid and allows it to break free in a low velocity, low turbulence removal chamber.

Spirotherm Spirovent Junior VJV series 3/4" NPT vertical brass microbubble separator for residential and light commercial applications. This unit scrubs the air from the system fluid and allows it to break free in a low velocity, low turbulence removal chamber.

Spirotherm Spirovent Junior VJV series 1" NPT vertical brass microbubble separator for residential and light commercial applications. This unit scrubs the air from the system fluid and allows it to break free in a low velocity, low turbulence removal chamber.

Spirotherm Spirovent Junior VJV series 1-1/2" NPT vertical brass microbubble separator for residential and light commercial applications. This unit scrubs the air from the system fluid and allows it to break free in a low velocity, low turbulence removal chamber.

Spirotherm Spirovent VSR series 2" flanged steel air eliminator for commercial applications. This unit scrubs the air from the system fluid and allows it to break free in a low velocity, low turbulence removal chamber.

Spirotherm Spirovent VSR series 2" NPT steel air eliminator for commercial applications. This unit scrubs the air from the system fluid and allows it to break free in a low velocity, low turbulence removal chamber.

Spirotherm Spirovent VSR series 2-1/2" NPT steel air eliminator for commercial applications. This unit scrubs the air from the system fluid and allows it to break free in a low velocity, low turbulence removal chamber.

Spirotherm Spirovent VSR series 3" flanged steel air eliminator for commercial applications. This unit scrubs the air from the system fluid and allows it to break free in a low velocity, low turbulence removal chamber.

Spirotherm Spirovent VSR series 3" NPT steel air eliminator for commercial applications. This unit scrubs the air from the system fluid and allows it to break free in a low velocity, low turbulence removal chamber.

Spirotherm Spirovent VSR series 4" flanged steel air eliminator for commercial applications. This unit scrubs the air from the system fluid and allows it to break free in a low velocity, low turbulence removal chamber.