publication

36 / 221

INDEX HEATING
GAS VALVES 38 – 41
Description Model(s) Page(s)
Standing Pilot / HSI / DSI / Intermittent Pilot / Cycle Pilot /
Thermocouple Pilot Safety Valves................................................................. 36C / 36H / 36J / 764............................................. 38 – 41
IGNITION MODULES 42 – 58
Description Model(s) Page(s)
Universal Integrated HSI Furnace Controls................................................... 50A55 / 50M56U / 50A65....................................... 42 – 44
Universal HSI Integrated Two Stage with Nitride Upgrade............................ 21M51U-843 / 21V51U-843 / Cross Reference.... 45 – 46
Direct Replacement HSI Integrated Single Stage.......................................... 50M56U / 50A55 / 50T35 / 50M56 / 50A66 /
21D83M/ 50A65 / 50A56 / Cross Reference........ 47 – 55
Universal Non-Integrated HSI Modules......................................................... 50E47..................................................................... 56
Universal Direct Spark Modules / Proven Pilot.............................................. 50D50..................................................................... 57
Pilot Relite / Relite Lockout Timer / Ignition Electrodes................................. 5059 / 760 . ............................................................. 58
MERCURY FLAME SENSORS 64 – 66
Description Model(s) Page(s)
Mercury Flame Sensors................................................................................. 3046 / 30A46 / 3049 / 3098.................................... 64 – 65
Mercury Flame Sensors and Cross Reference.............................................. 3046 / 3098 / CROSS REFERENCE. .................... 66
WARM AIR FAN CONTROLS/SNAP DISC FAN AND LIMITS 67 – 73
Description Model(s) Page(s)
Attic Fan / Duct Temperature Controls........................................................... 775 / 230 . .............................................................. 67
Fan / Limit Controls and Board Mount Limits................................................. 5D51 / 3L09 ............................................................ 68
Snap Disc Fan Controls................................................................................. 3F01 ....................................................................... 69
Snap Disc Fan / Limit Controls...................................................................... 3L01 / 3L02 / 3L03 ................................................. 70
Adjustable Snap Disc Fan and Limit Controls................................................ 3F05 / 3L05 ............................................................ 71
Bimetal Disc Thermostats.............................................................................. 3F11 / 3L11 / 3L12 ................................................. 72 – 73
ELECTRIC HEAT PRODUCTS 74 – 75
Description Model(s) Page(s)
Level-Temp Low Voltage Control Systems for Electric Heat.......................... 24A00 Series......................................................... 74
Electric Heat Sequencers.............................................................................. 24A34 Series......................................................... 75
DUAL PURPOSE AIR SWITCH 76
Description Model(s) Page(s)
Positive / Negative / Differential Air Switch.................................................... 770. ........................................................................ 76
GAS VALVE CONVERSION KITS / HEATING PARTS AND ACCESSORIES 77
HSI IGNITORS 59 – 61
Description Model(s) Page(s)
HotRod Nitride Upgrade Kit, Hot Surface Flame Sensor / Nitride Ignitors..... 21D64 / 768A......................................................... 59
Silicon Carbide Ignitors / Cross Reference.................................................... 767A....................................................................... 60 – 61
THERMOCOUPLES / GENERATORS 62 – 63
Description Model(s) Page(s)
Thermocouples.............................................................................................. H06E / H06F........................................................... 62
Generators / Pilot Generators / Pilot Couples................................................ 101934 / G01A / PG9 ............................................. 63
37
HEATING