Raypak XTherm H7-4005
The Raypak XTherm H7-4005 is a vertical modulating condensing commercial hydronic boiler rated 4,000 MBTUH input and 3,840 MBTUH output at 96% thermal efficiency, with 7:1 turndown, Category IV venting and a 12 in flue.
Key figures
- Max input
- 4,000 MBH
- Max CSA output
- 3,840 MBH
- AFUE
- —
- Min input
- —
Input is gas energy consumed; output is heat delivered. Never size from input alone.
Raypak XTherm H7-4005 in practice
The H7-4005 is the 4,000 MBTUH size of Raypak's XTherm vertical modulating condensing line, which pairs a finned copper tube primary heat exchanger with a stainless steel condensing section. The official submittal prints 4,000 MBTUH input, 3,840 MBTUH output and 96% thermal efficiency at full rate, with 7:1 turndown, a 12 in flue, a 12 in combustion-air intake and 3,058 lb approximate shipping weight.
The XTherm line is documented by I&O manual 241513 for the 1005A-2005A sizes and 241549 for the 3005-4005 sizes, each with a French edition, and the ratings above come from submittals 241869 and 241868. The units run the VERSA IC modulating controller with a 7 in colour touchscreen, Raymote connectivity and cascade up to eight heaters, and vent as Category IV condensing appliances.
Best suited to
- Commercial hydronic loads near 4,000 MBTUH input
- Plants wanting a vertical modulating condensing boiler with copper-fin primary and stainless condensing sections
- Cascade installations up to eight heaters on the VERSA IC control
Applicability and support
- Model number
- H7-4005
- Canadian availability
- unknown
- Production status
- current
- ROMA supplies
- Confirmed at consultation
- ROMA services
- Confirmed at consultation
- Warranty
- Not verified
Where ROMA provides on-site service
On-site service is currently offered in Greater Vancouver, BC, including Vancouver, Burnaby, Richmond, Surrey, Coquitlam, North Vancouver, West Vancouver, New Westminster, Port Coquitlam, Port Moody, Delta, Langley, Maple Ridge, Abbotsford, Chilliwack, White Rock, Pitt Meadows, Tsawwassen, Anmore, Lions Bay, Belcarra, Bowen Island, Mission. Everything else on this site is reference information you can use anywhere in Canada.
Specifications
Published specifications
Values as published by Raypak. Units are shown with every value; notes flag conflicting sources or missing figures.
| Specification | Value | Note |
|---|---|---|
| Input | ||
| Input | 4,000 MBH | Rated input 4,000 MBTUH printed in the 241868 product submittal. |
| Output | ||
| Output | 3,840 MBH | Rated output 3,840 MBTUH printed in the same submittal. |
| Efficiency | ||
| AHRI thermal efficiency | 96 % | 96% thermal efficiency at full rate per the XTherm product page and the 241869/241868 submittals. |
| Venting and air | ||
| Venting category | Category IV | Condensing Category IV venting per the product page model data. |
| Flue outlet | 12 in | Flue diameter per the submittal. |
| Combustion air intake | 12 in | Combustion-air intake diameter per the submittal. |
| Physical and connections | ||
| Weight | 3,058 lb | Approximate shipping weight 3,058 lb printed in the submittal. |
| Water content | 33.8 gal | Water content 33.8 gal printed in the 241868 submittal. |
| Heat transfer surface | 446 sq ft | Primary heat transfer surface printed in the 241868 submittal. |
| Electrical | ||
| Electrical | 208-240 VAC, 1-phase | Operating voltage from the product page model data. |
| Operating limits and other | ||
| Turndown | 7:1 | Turndown printed for H7-4005 in the submittal and product page model data. |
| Maximum water flow | 230 GPM | Maximum water flow from the product page model data. |
| Cascade | Up to 8 boilers | VERSA IC control with cascade up to 8 heaters, no external sequencer, per the submittal. |
| Fuel | Natural gas or propane | Natural gas or propane; the 241869/241868 submittals print propane connection sizes separately. |
Manuals
- Raypak XTherm (H WH P 1005A-2005A) — I&O manual (EN)241513
- Raypak XTherm (H WH P 1005A-2005A) — manual d'installation et d'utilisation (FR)241513-FR
- Raypak XTherm (H WH P 3005-4005) — I&O manual (EN)241549
- Raypak XTherm (H WH P 3005-4005) — manual d'installation et d'utilisation (FR)241549-FR
- Raypak XTherm Type H Models 1005A-2005A — product submittal241869
- Raypak XTherm Type H Models 3005-4005 — product submittal241868
Alerts documented for this model
Frequently asked questions
What are the XTherm H7-4005 ratings?
The official submittal prints 4,000 MBTUH input, 3,840 MBTUH output and 96% thermal efficiency at 7:1 turndown.
Which XTherm manual covers the H7-4005?
Raypak publishes I&O 241549 for this size group, in English and French, with the matching product submittal for the rating table.
Is the XTherm condensing?
Yes. Raypak lists the XTherm under its condensing hydronic boilers; the submittal describes a finned copper tube exchanger combined with a stainless steel condensing exchanger.
Questions about the Raypak XTherm H7-4005?
Describe what the boiler is doing and get a straight answer about the next step.
On-site service in Greater Vancouver, BC. ROMA lists “Open 7 days” on its site; call to confirm same-day availability.
Sources and verification
- Raypak — official site · accessed September 9, 2026
- Raypak — XTherm hydronic boiler product page · accessed September 9, 2026
- Raypak — XTherm Type H Models 1005A-2005A product submittal (241869) · accessed September 9, 2026
- Raypak — XTherm Type H Models 3005-4005 product submittal (241868) · accessed September 9, 2026
Facts checked September 9, 2026. Last updated September 9, 2026. Technical reviewer: not yet assigned.