Appia II Hydraulics

Also called siphon, anti-siphon or vacuum breaker valve. This valve allows air to escape the boiler as the water heats up, hissing and then closing...

There are many names for this part, but a brief description should suffice: this valve allows air to escape the boiler as the water heats up, hissi...

There are many names for this part, but a brief description should suffice: this valve allows air to escape the boiler as the water heats up, hissi...