However, a point of confusion often arises when sourcing replacement parts or specifying new equipment: the model number suffix. Specifically, the comparison between the and the HD3720.25 .
The represents the classic, time-tested design that Udor built its reputation upon. For years, this configuration was the standard for the 37 GPM, 2000 PSI class. hd3720 26 vs hd3720 25
The most significant difference is the output signal. However, a point of confusion often arises when
Field engineers often overlook the connector, but it’s a dealbreaker. For years, this configuration was the standard for
The HD3720 26 (3-wire) is prone to ground loops if the sensor ground and PLC ground are at different potentials. Use an isolated power supply. The HD3720 25 (2-wire) is inherently less susceptible.
Occasionally, a "26" model might come with a UK 3-pin plug while a "25" comes with a 2-pin Europlug, though many modern retailers now include adapters or regional-specific cables in the box regardless of the suffix. 💡 Buyer's Tip: Watch out for the "PerfectDraft Pro"