How to size water pipes

Preview text: How to size water pipes 96 Hi there, Thanks again for joining our mailing list. We usually…

h2xMonday, Apr 27, 2026 at 2:35 AM EasternHubSpot
h2xHow to size water pipes
Subject
How to size water pipes
Preview text
How to size water pipes 96 Hi there, Thanks again for joining our mailing list. We usually…
From
jordan@h2xengineering.com
Brand
h2x
Sent
Mon Apr 27, 2026, 2:35 AM ET
Size
24 KB
Images
2
Links
4, 1 of them buttons
Subject length
23 characters

Against h2x's usual

Sent in its busiest hour, 2 AM, which holds 36% of its emails. The subject is 23 characters; its average is 35.

Email headers

What the brand's servers put on this email. Our receiving servers, the address we subscribed with and unsubscribe links are left out.

From
Jordan Mills <[email protected]>
Subject
How to size water pipes
Date
Mon, 27 Apr 2026 07:35:39 +0100
Message-ID domain
bf05x.hubspotemail.net
Return-Path domain
bf05x.hubspotemail.net
DKIM signature
d=bf05x.hubspotemail.net s=hs2; d=h2xengineering.com s=hs1-8106102
Authentication
dkim=pass (bf05x.hubspotemail.net), dkim=pass (h2xengineering.com), spf=pass (bf05x.hubspotemail.net), dmarc=pass (h2xengineering.com)
List-Unsubscribe
Present, one-click
Feedback-ID sender
HubSpot

Servers it passed through, newest first

  1. from 4f2owg.bf05x.hubspotemail.net [108.179.149.254] by our receiving server with ESMTPS

Other sending headers (names only): X-HS-Cid, X-Report-Abuse-To

Report this email

Sent just before and after

May 6, 2026 11:01 AMSee Heat Load Calculations live
May 4, 2026 2:35 AMDesigning hot water systems
Apr 29, 2026 11:00 AMOne-Stop Heat Load Calcs & System Design
Apr 27, 2026 2:35 AMHow to size water pipes (this email)
Apr 20, 2026 2:34 AMThanks for subscribing to H2X
Apr 6, 2026 2:35 AMSizing PRV's
Mar 30, 2026 2:35 AMDesigning hot water systems

More from h2x

All h2x emails

Get the Black Friday insights

We're collecting every Black Friday email from more than 50,000 brands as it lands. Get what we find: who starts first, the biggest discounts, and the subject lines that stand out.

Free. You'll get a confirmation email first, and you can unsubscribe anytime.