450F – Service Kit (2 Elements & 2 PTFE Cover Strips )
Purchasing a maintenance kit is the most economical way to replace your worn out parts and avoid down time. For sealers with a sliding cutter unit, one blade is also included. Most sealer issues result from lack of maintenance. After using a sealer for 1,000-5,000 impulse seals, expect the heating element to break. The number of seals will vary on the timer setting. The sealer’s PTFE adhesive serves as a barrier between the heating element and the the sealer’s body. When the heating element has burned through the bottom PTFE adhesive and arced on the sealer’s body, the element will break. This can also result in damage to a sealer’s timer. When replacing the heating element, you MUST also replace the bottom PTFE adhesive. When a user does not do this, the heating element will break earlier than usual.
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