you care about brand names, this one is Songle, which many makers mention in forum posts and guides.
Warren Technology CRR9-5 Song Chuan 832AW-1A-F-C1 28VDC HVAC Power Relay 30A
You will find that the Potter & Brumfield relay has a straightforward footprint that many boards accept easily.
What stands out about this unbranded brand is the clean coil marking, which helps you avoid wiring mistakes during setup.
What stands out about the Square D 8501RS14V20 is the straightforward text that leaves little guesswork.
What stands out about this model is the Potter & Brumfield build quality and tidy lead forming.
If you look at the box, you will find that the model number is clearly listed as 1-1618002-8.
What stands out about this relay is the AMERICAN ZETTLER / MCE branding, and that can matter to many.
What stands out about this relay is the 4RD00779404 model, helping you know it fits your needs.
You can tell the Branded build is thoughtful, with smooth edges and steady alignment.
The solder attribute on this relay is a nice touch, giving your finished project, hard-wired appearance.