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Thermal Actuator, 4 Wire Reviews

4.8 Rating 48 Reviews
Easy to install. Worked good
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Posted 10 years ago
I replaced my actuators with these. I was skeptical at first due to the plastic, but they worked perfectly.
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Posted 10 years ago
Replaced 6 old Wirsbo actuators in about 30-45 minutes.
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Posted 10 years ago
I recently replaced all the older-style motorized Wirsbo actuators with these thermal actuators. They work much better and more reliably.
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Posted 10 years ago
No failures since switching to thermal actuators.
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Posted 10 years ago
Perfect replacement, no issues.
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Posted 10 years ago
LadyfromSantaFe
Verified Reviewer
This item worked perfectly, just make sure you buy the plastic nut that screws onto the manifold. The picture does not display this. Luckily I thought about this when ordering.
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Posted 10 years ago
I was happy to find out that these Thermal Actuators were a direct change out for the original ones that were installed in 1994.
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Posted 10 years ago