Heat Engine Accessory - TD-8581A



The Heat Engine Accessory includes a set of parts for those items in the Heat Engine/Gas Law Apparatus (suitable for both versions TD-8572 and TD-8572A) most likely to need replacement after extensive use. These parts connect the air chamber and the pressure sensor to the Heat Engine.

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