orphanespresso wrote:The small OD tube is #1644. We've been using the double o-ring style sight glass seals for nearly a year with no problems. Easier to install, easier to replace, and they last longer. In fact, Olympia has changed over to an o-ring for sight glasses in their new kit.
Barb
orphanespresso wrote:The small OD tube is #1644. We've been using the double o-ring style sight glass seals for nearly a year with no problems. Easier to install, easier to replace, and they last longer. In fact, Olympia has changed over to an o-ring for sight glasses in their new kit.
Barb
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