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Comparison
Verdict in brief
The HTP PHR-130-55C and HTP PHR-199-55C are both combination (combi) boilers in the HTP Versa-Flame (discontinued) line. The HTP PHR-130-55C is documented at 35–130 MBH input and 95% thermal efficiency, while the HTP PHR-199-55C is documented at 40–199 MBH input and 95% thermal efficiency. HTP PHR-199-55C lists 69 MBH more input than HTP PHR-130-55C (199 MBH against 130 MBH). Both list the same published thermal efficiency of 95%. Both list the same published shipping weight of 310 lb.
Published manufacturer figures. Input and output are kept separate; blanks mean the manufacturer did not publish that value.
| Specification | HTP PHR-130-55C | HTP PHR-199-55C |
|---|---|---|
| Input range, minimum | 35 MBH | 40 MBH |
| Input range, maximum | 130 MBH | 199 MBH |
| Thermal efficiency (as printed) | 95 % | 95 % |
| Turndown | 5:1 | 5:1 |
| Shipping weight | 310 lb | 310 lb |
| Dimensions | 64.5" H x 23" diameter | 64.5" H x 23" diameter |
| Vent size | 2" | 3" |
| Tank size | 55 gal | 55 gal |
| Domestic hot water flow at 77 °F rise | 3.2 gpm | 4.8 gpm |
| First hour rating at 77 °F rise | 210 GPH | 300 GPH |
| Connections | Supply/return 1.25" NPT; gas 3/4" NPT; air vent 1/8" | Supply/return 1.25" NPT; gas 3/4" NPT; air vent 1/8" |
| Heat exchanger and tank | Copper nickel primary with 800H and copper nickel secondary; 304L stainless steel buffer tank | Copper nickel primary with 800H and copper nickel secondary; 304L stainless steel buffer tank |
| Warranty | 12-year limited warranty | 12-year limited warranty |
Published ratings: the HTP PHR-130-55C is rated 35–130 MBH input and 95% thermal efficiency; the HTP PHR-199-55C is rated 40–199 MBH input and 95% thermal efficiency. HTP PHR-199-55C lists 69 MBH more input than HTP PHR-130-55C (199 MBH against 130 MBH). Both list the same published thermal efficiency of 95%.
The venting differs: the HTP PHR-130-55C lists 2", while the HTP PHR-199-55C lists 3". The domestic hot water flow at 77 °F rise differs: the HTP PHR-130-55C lists 3.2 gpm, while the HTP PHR-199-55C lists 4.8 gpm. The first hour rating at 77 °F rise differs: the HTP PHR-130-55C lists 210 GPH, while the HTP PHR-199-55C lists 300 GPH.
Both records print the same thermal efficiency (95%), turndown (5:1), shipping weight (310 lb) and dimensions (64.5" H x 23" diameter), per the cited sources.
The HTP PHR-130-55C is the 130 MBH class model of the retired Versa-Flame combined appliance line: 35,000 to 130,000 BTU/hr input, 55-gallon 304L stainless steel buffer tank, 3.2 GPM at a 77 °F rise and a 310 lb package, recorded from the official HTP-Versa-Flame brochure table.
The HTP PHR-199-55C is the 199 MBH class model of the retired Versa-Flame combined appliance line: 40,000 to 199,000 BTU/hr input, 55-gallon 304L stainless steel buffer tank, 4.8 GPM at a 77 °F rise and a 310 lb package, recorded from the official HTP-Versa-Flame brochure table.
The HTP PHR-199-55C lists 199 MBH, against 130 MBH on the HTP PHR-130-55C, per the cited documentation.
Both list the same thermal efficiency of 95%.
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On-site service in Greater Vancouver, BC. ROMA lists “Open 7 days” on its site; call to confirm same-day availability.
Sources and verification
Facts checked September 9, 2026. Last updated September 9, 2026. Technical reviewer: not yet assigned.