![Gas Connection Pipe Sizes](/images/new-backgrounds/60008/6000829x1.webp)
Gas Connection Pipe Sizes
(Minimum incoming pipe size should be 1 1/2" (41 mm))
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| 4 or more |
Gas | Single Unit | 2 - 3 Units |
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Natural | 3/4" (22 mm) | 1" (28 mm) | 1 | 1/4" (36 mm) |
Propane | 1/2" (15 mm) | 3/4" (22 mm) |
| 1" (28 mm) |
Manufactured | 1" (28 mm) | 1 1/4" (36 mm) | 1 | 1/2" (41 mm) |
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*For distances of more than 20 feet (6 m) and/or more than 4 fittings or elbows, increase the connection by one pipe size. Units with four or more vats require two gas connections.
The Pro H55 Series gas fryer has received the CE mark for the countries and gas categories indicated in the table below. NOTE: The nominal heat input (QN) is 21kW except for AT, DE, LU and category 3P/B, which is 23kW.
CE Approved Gas Categories by Country
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| COUNTRIES | CATEGORIES | GAS | PRESSURE (MBAR) |
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| AUSTRIA (AT) | II2H3B/P | G20 | 20 |
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| G30, G31 | 50 |
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| BELGIUM (BE) | I2E(R)B | G20, G25 | 20, 25 |
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| I3+ | G30, G31 |
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| DENMARK (DK) | II2H3B/P | G20 | 20 |
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| G30, G31 | 30 |
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| II2Esi3+ | G20, G25 | 20, 25 |
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| FRANCE (FR) | G30, G31 |
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| II2Esi3P | G20, G25 | 20, 25 |
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| G31 | 50 |
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| FINLAND (FI) | II2H3B/P | G20 | 20 |
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| G30, G31 | 30 |
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| GERMANY (DE) | II2ELL3B/P | G20, G25 | 20 |
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| G30, G31 | 50 |
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| I3P | G31 | 50 |
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| GREECE (GR) | II2H3+ | G20 | 20 |
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| G30, G31 |
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| ITALY (IT) | II2H3+ | G20 | 20 |
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| G30, G31 |
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| IRELAND (IE) | II2H3+ | G20 | 20 |
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| G30, G31 |
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| LUXEMBOURG (LU) | II2E3B/P | G20 | 20 |
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| G30, G31 | 50 |
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| II2L3P | G25 | 25 |
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| NETHERLANDS (NL) | G31 | 50 |
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| II2L3B/P | G25 | 25 |
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| G30, G31 | 30 |
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| NORWAY (NO) | I3B/P | G30, G31 | 30 |
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| PORTUGAL (PT) | II2H3+ | G20 | 20 |
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| G30, G31 |
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| II2H3+ | G20 | 20 |
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| SPAIN (ES) | G30, G31 |
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| II2H3P | G20 | 20 |
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| G31 | 37, 50 |
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| SWEDEN (SE) | II2H3B/P | G20 | 20 |
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| G30, G31 | 30 |
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| UNITED KINGDOM (UK) | II2H3+ | G20 | 20 |
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| G30, G31 |
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CE Standard
Required airflow for the combustion air supply is 2m3/h per kW.