159P (A5345) air vent for use on all Armstrong "B" series F&T traps with 15 to 30 pound operating pressures.

Armstrong A9739 air vent for use on all "A", "K", "J" & "L" series F&T traps with 30 to 175 pound operating pressures.

Spirax-Sarco thermostatic air vent for all sizes and pressures F&T traps, except FT-14 series.

Spirax-Sarco thermostatic air vent for 1/2" and 3/4" FT-14 series F&T traps.

Spirax-Sarco thermostatic air vent for 1-1/2" and 2" FT-14 and FT-14HC series F&T traps.

Spirax-Sarco thermostatic air vent for all size TM-600 air vents.

Spirax-Sarco thermostatic air vent for all size TM-600L air vents.

Spirax-Sarco bi-metal air vent with seat for BIX, B1H, B12X, B12H, and B2 inverted bucket traps in all pipe sizes and pressures.

Trane thermostatic air vent (or bellows) for 3/4" and 1" 55AL and 686 F&T traps in 15 pound pressure.

Trane thermostatic air vent (or bellows) for 3/4" and 1" 55AM F&T traps in 65 pound pressure.

Trane thermostatic air vent (or bellows) for 3/4" and 1" 55AH F&T traps in 125 pound pressure.

Trane thermostatic air vent (or bellows) for 1-1/4" 66CL and 675 F&T traps in 15 pound pressure.

Trane thermostatic air vent (or bellows) for 1-1/4" 66CM F&T traps in 65 pound pressure.

Trane thermostatic air vent (or bellows) for 1-1/4" 66CH F&T traps in 125 pound pressure.

Trane thermostatic air vent (or bellows) for 1-1/2" and 2" 77HL and 601 F&T traps in 15 pound pressure.

Trane thermostatic air vent (or bellows) for 1-1/2" and 2" 77HM F&T traps in 65 pound pressure.

Trane thermostatic air vent (or bellows) for 1-1/2" and 2" 77HH F&T traps in 125 pound pressure.

1/8" brass body automatic air vent. Purges air trapped in closed hot or cold water systems. Built-in vacuum breaker, with removable float and valve assembly for easy servicing. 75psi maximum, 230 degree F.

3/4"NPT male x 1/2"NPT female brass shell automatic air vent. Purges air from industrial high pressure mains and equipment in hot or cold water systems. Built-in vacuum breaker, with removable float and valve assembly for easy servicing. 150psi maximum, 250 degree F.

1/8" thermoplastic body automatic air vent. Purges air trapped in closed hot or cold water systems. Built-in vacuum breaker, with removable float and valve assembly for easy servicing. 90psi maximum, 212 degree F.

Spirax-Sarco 1/2" NPT cast iron balanced pressure thermostatic air vent for steam systems, with a maximum pressure of 250 psi. VS204 and VS206 air vents are designed for use on steam systems to remove air and other non-condensable gases, which may impair heat transfer during start-up and normal operation.

Spirax-Sarco 3/4" NPT cast iron balanced pressure thermostatic air vent for steam systems, with a maximum pressure of 250 psi. VS204 and VS206 air vents are designed for use on steam systems to remove air and other non-condensable gases, which may impair heat transfer during start-up and normal operation.

Armstrong air vent with cover gasket for AIC F&T traps.

Spirax-Sarco air vent for FT450 F&T traps.

Spirax-Sarco bimetal air vent for FT450-32 F&T traps.

Spirax-Sarco air vent assembly for all FT46 F&T traps.

Armstrong model 1AV cast iron air vent with a 1/2" NPT connection for service up to 146 psi. The 1AV uses a free-floating lever that closes positively, ensuring a leak tight closing under all conditions.

Armstrong model 1AV cast iron air vent with a 1/2" NPT connection for service up to 173 psi. The 1AV uses a free-floating lever that closes positively, ensuring a leak tight closing under all conditions.

Armstrong model 1AV cast iron air vent with a 1/2" NPT connection for service up to 219 psi. The 1AV uses a free-floating lever that closes positively, ensuring a leak tight closing under all conditions.

Armstrong model 1AV cast iron air vent with a 3/4" NPT connection for service up to 146 psi. The 1AV uses a free-floating lever that closes positively, ensuring a leak tight closing under all conditions.

Armstrong model 1AV cast iron air vent with a 3/4" NPT connection for service up to 173 psi. The 1AV uses a free-floating lever that closes positively, ensuring a leak tight closing under all conditions.

Armstrong model 1AV cast iron air vent with a 3/4" NPT connection for service up to 219 psi. The 1AV uses a free-floating lever that closes positively, ensuring a leak tight closing under all conditions.

Armstrong model 2AV cast iron air vent with a 1/2" NPT connection for service up to 27 psi. The 2AV uses the same free-floating lever mechanisms used in Armstrong steam traps.

Armstrong model 2AV cast iron air vent with a 1/2" NPT connection for service up to 44 psi. The 2AV uses the same free-floating lever mechanisms used in Armstrong steam traps.

Armstrong model 2AV cast iron air vent with a 1/2" NPT connection for service up to 97 psi. The 2AV uses the same free-floating lever mechanisms used in Armstrong steam traps.

Armstrong model 2AV cast iron air vent with a 1/2" NPT connection for service up to 167 psi. The 2AV uses the same free-floating lever mechanisms used in Armstrong steam traps.

Armstrong model 2AV cast iron air vent with a 1/2" NPT connection for service up to 250 psi. The 2AV uses the same free-floating lever mechanisms used in Armstrong steam traps.

Armstrong model 2AV cast iron air vent with a 3/4" NPT connection for service up to 27 psi. The 2AV uses the same free-floating lever mechanisms used in Armstrong steam traps.

Armstrong model 2AV cast iron air vent with a 3/4" NPT connection for service up to 44 psi. The 2AV uses the same free-floating lever mechanisms used in Armstrong steam traps.

Armstrong model 2AV cast iron air vent with a 3/4" NPT connection for service up to 97 psi. The 2AV uses the same free-floating lever mechanisms used in Armstrong steam traps.

Armstrong model 3AV cast iron air vent with a 3/4" NPT connection for service up to 21 psi. The 3AV uses the same free-floating lever mechanisms used in Armstrong steam traps.

Armstrong model 3AV cast iron air vent with a 3/4" NPT connection for service up to 45 psi. The 3AV uses the same free-floating lever mechanisms used in Armstrong steam traps.

Armstrong model 3AV cast iron air vent with a 3/4" NPT connection for service up to 72 psi. The 3AV uses the same free-floating lever mechanisms used in Armstrong steam traps.

Armstrong model 3AV cast iron air vent with a 3/4" NPT connection for service up to 96 psi. The 3AV uses the same free-floating lever mechanisms used in Armstrong steam traps.

Armstrong model 3AV cast iron air vent with a 3/4" NPT connection for service up to 144 psi. The 3AV uses the same free-floating lever mechanisms used in Armstrong steam traps.

Armstrong model 3AV cast iron air vent with a 3/4" NPT connection for service up to 206 psi. The 3AV uses the same free-floating lever mechanisms used in Armstrong steam traps.

Armstrong model 3AV cast iron air vent with a 3/4" NPT connection for service up to 250 psi. The 3AV uses the same free-floating lever mechanisms used in Armstrong steam traps.

Armstrong model 3AV cast iron air vent with a 1" NPT connection for service up to 21 psi. The 3AV uses the same free-floating lever mechanisms used in Armstrong steam traps.

Armstrong model 3AV cast iron air vent with a 1" NPT connection for service up to 45 psi. The 3AV uses the same free-floating lever mechanisms used in Armstrong steam traps.

Armstrong model 3AV cast iron air vent with a 1" NPT connection for service up to 72 psi. The 3AV uses the same free-floating lever mechanisms used in Armstrong steam traps.