Specifications

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Legacy™ Model LRZM Pool/Spa Heater
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Installation and Operation Manual
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11.1 General Information ....................................... 30
11.2 Natural-Draft Combustion System ................. 30
11.3 Heater Components and Their Operation ..... 30
11.4 Electrical Troubleshooting ............................. 31
11.4.1 Gas Valve ................................................. 31
11.4.2 Pilot Generator ......................................... 33
11.4.3 Fusible Link .............................................. 33
11.4.4 Fireman Switch and External ...................
Interlocks .................................................. 33
11.4.5 Limit Switches ........................................... 34
11.4.6 Water Pressure Switch ............................. 34
11.4.7 Temperature Control Circuit ...................... 34
11.4.7.1 ON/OFF Toggle Switch ..................... 34
11.5 Adjusting the Water Pressure Switch ............ 35
11.6 Temperature Rise .......................................... 35
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12.1 Ordering Information ..................................... 36
12.2 Parts List ....................................................... 37
12.3 General Exploded View ................................. 38
12.4 Detailed Exploded View ................................ 39
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