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Firstco T4071 Aquastat Temperature Sensor for 5/8" Tubing

Manufacturer

Picture for manufacturer Firstco

Part Number

T4071
5 reviews
Sale Price

$45.08

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

Fitment guaranteed

Product Details

The Firstco T4071 Aquastat (Model 37TC33) is a strap-on temperature sensor designed to monitor liquid temperatures in HVAC hydronic systems. This reliable temperature control device attaches directly to 5/8" O.D. tubing to sense pipe temperatures accurately.

Key Features:

  • Temperature range: 35°F to 115°F monitoring capability
  • Changes at 95°F and resets at 65°F for automatic control
  • Strap-on design for easy installation on 5/8" O.D. tubing
  • Includes mounting clip for secure attachment
  • Solid-state construction with no moving parts for reliability
  • Color-coded wiring: Red wire for cold, Blue wire for hot

This aquastat is commonly used in First Company Aquatherm combo heaters and fan coil units to provide precise temperature control. The solid-state design simplifies installation and maintenance while ensuring long-lasting performance in residential and commercial HVAC applications.

They met all my expectations, which isn't a simple thing to do. I will visit the site again for future purchases.

Great. Thanks for using Fedex. They were prompt.

Talked to guy on chat before I ordered. Clint was very helpful!

Everything went perfect

great product and fast service

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