Sizing a Radiator? Start Here
Preview text: Estimate the heat load a space needs, no guesswork.
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- Subject
- Sizing a Radiator? Start Here
- Preview text
- Estimate the heat load a space needs, no guesswork.
- From
- info@
oswaldsupply.com - Brand
- Oswald Supply Co.
- ESP
- Klaviyo
- Sent
- Tue Jun 30, 2026, 7:00 AM ET
- Sent to
- boilermanholeplate.com, boilermanholeplates.com, handholeplates.com, oswaldsupply.com, sargentmfg.com, trashchutedoor.com
- Size
- 52 KB
- Images
- 15
- Links
- 16, 5 of them buttons
- Subject length
- 29 characters
Against Oswald Supply Co.'s usual
Sent in its busiest hour, 7 AM, which holds 42% of its emails. The subject is 29 characters; its average is 41.
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
- Oswald Supply Co. <[email protected]>
- Subject
- Sizing a Radiator? Start Here
- Date
- Tue, 30 Jun 2026 11:00:11 +0000
- Message-ID domain
- klaviyomail.com
- Return-Path domain
- k3.send.oswaldsupply.com
- DKIM signature
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- List-Unsubscribe
- Present, one-click
Servers it passed through, newest first
- from kl-203-28-28.kmta.shared.klaviyomail.com [170.203.28.28] by our receiving server with ESMTPS
- from (unnamed) by kmta-mta-blue-….servers.clovesoftware.com with SMTP
Other sending headers (names only): X-Mailer-Info-Extra2, X-Mailer-Info, X-Mailer-Info-Extra, X-Kmail-Account, X-Kmail-Message, X-Kmail-Ops, X-Report-Abuse
Sent just before and after
| Jul 7, 2026 7:31 AM | Plan Ahead: Warehouse Closed for Inventory | |
| Jul 6, 2026 8:11 AM | Important Shipping Notice: Annual Inventory Closure | |
| Jul 1, 2026 7:15 AM | Happy Independence Day from Oswald Supply | |
| Jun 30, 2026 7:00 AM | Sizing a Radiator? Start Here (this email) | |
| Jun 25, 2026 5:41 AM | Final Check—Still Need That Part? | |
| Jun 24, 2026 9:40 AM | Let’s Pick Up Where You Left Off | |
| Jun 23, 2026 7:49 AM | You're Invited: Building Electrification Happy Hour, July 14 |
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Oct 24, 2026 4:42 PM







