Patterson-Kelley · Series
Patterson-Kelley P-K SONIC
The P-K SONIC is Patterson-Kelley's stainless-steel condensing boiler operating at 97% efficiency with a 5:1 turndown and ultra-low emissions, with model families documented through the 4000 MBH range on the family pages.
Series facts
- Type
- condensing
- Efficiency
- 97% thermal-efficiency
- Fuel
- Condensing gas boiler line; per-model fuel rows sit in the P-K submittals.
- Venting
- Unknown
- Models documented
- 0
- Warranty
- Not verified
Operates at 97% efficiency with a 5:1 turndown and ultra-low emissions, as printed on the P-K SONIC page.
About the P-K SONIC
Patterson-Kelley presents the SONIC as a stainless-steel condensing boiler that 'operates at 97% efficiency with a 5:1 turndown and ultra-low emissions', per the official page copy.
Model sizes are organized on per-family pages whose documentation rows reference ranges such as 650–1000 and 1500–4000; exact model steps live in the submittals rather than the page copy, so Boilers.ca does not print a size list it could not verify.
Each P-K product page carries an engineer-library set of public PDFs. No official Canadian availability statement was found on the captured pages.
Highlights
- Stainless-steel condensing boiler
- 97% efficiency with 5:1 turndown and ultra-low emissions (page)
- Family documentation rows reference through the 1500–4000 MBH range
Models
P-K SONIC models
One canonical page per model with input, output and efficiency kept separate.
Error codes and alerts
P-K SONIC alerts
No alerts documented for this series yet.
Manuals
Official documents
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.
Services for Patterson-Kelley boilers
Frequently asked questions
How does the SONIC differ from the STORM?
Both are P-K stainless-steel condensing boilers; the STORM page prints 97% thermal efficiency at 10:1 turndown while the SONIC page prints 97% efficiency at 5:1 turndown with ultra-low emissions.
What sizes does the P-K SONIC come in?
P-K's per-family pages reference ranges such as 650–1000 and 1500–4000; exact model sizes are in the P-K submittals.
Talk to a boiler technician
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
- Patterson-Kelley — P-K SONIC product page · accessed September 9, 2026
Facts checked September 9, 2026. Last updated September 9, 2026. Technical reviewer: not yet assigned.