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Taco SR501-4 Single-Zone Switching Relay, 120 VAC Reviews

4.9 Rating 175 Reviews
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47,561
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Read Plumbing Supply and More Reviews
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Mike P
Verified Reviewer
“Used to accommodate Nest thermostat with Navien boiler; works splendidly.”
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Posted 5 years ago
Wayne D
Verified Reviewer
“Worked.”
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Posted 5 years ago
BrettG
Verified Reviewer
“Worked perfectly for a 1 zone in-floor radiant heat system.”
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Posted 5 years ago
Jackson R
Verified Reviewer
“Added another zone for heat and rather than buying the single zone controller and adding it to the existing controller for a few dollars more, I just replaced the entire unit-works well, just as expected.”
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Posted 5 years ago
Wyatt M
Verified Reviewer
“Their shipping is awesome. I used relay and it's a great product.”
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Posted 5 years ago
Roy
Verified Reviewer
“Well-designed circulator relay with simple wiring diagrams and extra features.”
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Posted 5 years ago
LeftNY
Verified Reviewer
“Works as it should, simple hook up.”
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Posted 5 years ago
Tony
Verified Reviewer
“Easy to install, improves boiler room aesthetics, and looks professional.”
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Posted 5 years ago
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