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TECHNICAL NOTES |
stainless steel - old model internal teflon coating - or viton | |
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There are many names for this part, but a breif description should suffice: this valve allows air to escape the boiler as the water heats up, hissing and then closing off when the boiler water reaches it's operating temperature, sealed by the steam pressure created.
Item belonging to the following exploded drawings for espresso coffee machines, coffee grinders and bar equipment