The Heat Engine Accessory includes a set of parts for those items in the Heat Engine/Gas Law Apparatus most likely to need replacement after extensive use.
The Heat Engine Accessory (TD-8581A) is a replacement part for the:
- Air Chamber
- Rubber Stoppers (1 and 2 hole)
- Tubing with Quick Connect Fittings
- Shut-off Valve and One-way Valve