Effective Date: July, 204 Revised Date: March 20, 205 Humidifiers Dealer Parts List Model 400/400M Humidifiers 6A 6B MODEL 400 MODEL 400M NO. BLUE/GRAY UNITS - PART NAME QTY/CTN PART NO. PART NO. 4B Base (blue/gray) 4734 4734 5B Cover (blue/gray) 4728 4728 3B Automatic Digital Humidifier Control 60 N/A 6B Name Plate (blue/gray) 4880 4880 7B Hole Plug (blue/gray) 474 474 8B Resistor Case & Manual Mode Label 4737 N/A MODEL 400 MODEL 400M NO. ALMOND UNITS - PART NAME QTY/CTN PART NO. PART NO. 4A Base (almond) 4404 N/A 5A Cover (almond) 4329 N/A 3A Automatic Humidifier Control 56 N/A 6A Name Plate (almond) 4409 N/A 7A Hole Plug (almond) 4408 N/A 8A Resistor Case & Manual Mode Label 4336 N/A NO. COMMON PARTS QTY/CTN PART NO. PART NO. Water Panel Evaporator 0 (5-2 pks.) 45 45 2 Scale Control Insert w/float Chamber 6 4403 4403 3 Water Distribution Tray 4407 4407 6 Water Level Sensor Assembly 440 440 7 Water Solenoid Valve (24 Volt) 4040 4040 8 In-line Strainer 2 4004 4004 9 Saddle Valve 400 400 0 Orifice (Yellow) 44 (2-2 pks.) 423 423 Feed Tube with Strainer, Orifice, Compression Sleeve and Nut 4335 4335 2 Transformer 400 400 5 Damper Assembly 4332 4332 9 Float Assembly 4406 4406 20 Float Cover 4405 4405 24 Automatic Humidifier Control Gasket 4305 N/A OTHER QTY/CTN PART NO. PART NO. 3C Manual Humidifier Control N/A 4655 Outdoor Temperature Sensor 8052 N/A Current Sensing Relay 50 50 Saddle Valve Adapter 6 4229 4229 Shock Arrestor 4280 4280 Maintenance Kits (includes parts 45 (2),4004, 4403, 4406, 4407, 4335 and 423) 4788 4788 Blower Activation Relay 0 485 485
Model 500/500M & 600/600M Humidifiers 6A 6B MODEL 500, 500A & 500M MODEL 600, 600A & 600M NO. BLUE/GRAY UNITS - PART NAME QTY/CTN PART NO. PART NO. 4B Base (Blue/Gray) 4730 473 5B Cover (Blue/Gray) 4727 4728 3B Automatic Digital Humidity Control 60 60 6B Name Plate (Blue/Gray) 488 4882 7B Hole Plug (Blue/Gray) 4733 4733 8B Resistor Case & Manual Mode Label N/A 4737 MODEL 500, 500A & 500M MODEL 600, 600A & 600M NO. ALMOND UNITS - PART NAME QTY/CTN PART NO. PART NO. 4A Base (Almond) 464* 4328 5A Cover (Almond) 4642 4329 3A Automatic Humidifier Control 56 56 6A Name Plate (Almond) 4643 4333 7A Hole Plug (Almond) Obsolete 8A Resistor Case & Manual Label 4336 4336 COMMON PARTS QTY/CTN PART NO. PART NO. Water Panel Evaporator 0 0 35 2 Scale Control Insert (4640-0) (4330-8) 4640 4330 3 Water Distribution Tray 433 433 6 Drain Spud 6 4223 4223 7 Water Solenoid Valve (24 Volt) 4040 4040 8 In-Line Strainer 2 4004 4004 9 Saddle Valve 400 400 0 Orifice (Yellow) 44 (2-2 pks.) 423 423 Feed Tube with Strainer, Orifice, Compression Sleeve and Nut 4335 4335 2 Transformer 400 400 4 Automatic Humidifier Control Gasket N/A 4305 5 Damper Assembly 4332 4332 6 Name Plate 4643 4333 OTHER PARTS QTY/CTN PART NO. PART NO. 3C Manual Humidifier Control 4655 4655 Outdoor Temperature Sensor (only available for automatic units) 8052 8052 Current Sensing Relay 50 50 Saddle Valve Adapter 6 4229 4229 Shock Arrestor 4280 4280 Maintenance Kits (includes parts 0, 4335, 423, 4004, 4640, 433 and 4223) 4792 N/A Maintenance Kits (includes parts 35, 4335, 423, 4004, 4330, 433 and 4223) N/A 4839 Blower Activation Relay 0 485 485 *Obsolete replaced by 4730
Model 700/700M, 768, 760A & 760 Humidifiers BLUE/GRAY UNITS MODEL 700 MODEL 700M NO. PART NAME QTY/CTN PART NO. PART NO. 2B Automatic Digital Humidifier Control 60 N/A 5 Transformer 400 400 6B Motor (Blue/Gray) 4670 4670 7B Cover (Blue/Gray) 4729 4729 8B Base (Blue/Gray) 4732 4732 9B Orifice Plate (Blue/Gray) 4735 4735 20B Bridge 4736 4736 2B Resistor Case & Manual Mode Label 4737 N/A 22B Female Disconnect Assembly 4739 4739 23B Relay 4740 4740 ALMOND UNITS MODEL 700 MODEL 700, 768, 760A, 760 NO. PART NAME QTY/CTN PART NO. PART NO. 2A Automatic Humidifier Control N/A 56 6A Motor (Almond) N/A 4237 7A Cover (Almond) N/A 4242 8A Base (Almond) N/A 4245* 9A Orifice Plate (Almond) N/A 4244** 20A Bridge N/A 4243*** 2A Resistor Case & Manual Mode Label N/A 4336 22A Female Disconnect Assembly N/A 4239 23A Circuit Board N/A 4238 24 Automatic Humidifier Control Gasket N/A 4305 NO. COMMON PARTS QTY/CTN PART NO. PART NO. Water Panel Evaporator 0 35 35 3 Saddle Valve 400 400 4 In-line Strainer 2 4004 4004 6 Cork Isolator 6 403 403 7 Water Solenoid Valve (24 Volts) 4040 4040 8 Orifice (Blue) 44 (2-2 pks.) 4232 4232 9 Feed Tube with Strainer, Orifice, Compression Sleeve and Nut 4235 4235 0 Scale Control Insert 2 4236 4236 Male Disconnect Assembly 4240 4240 2 Water Distribution Tray 4246 4246 3 Fan Blade 4247 4247 4 Electrical Grommet 4249 4249 5 Power Cord (Blue/Gray) 4664 4664 25 Name Plate Assembly 4968 4968 OTHER PARTS QTY/CTN PART NO. PART NO. 2C Manual Humidifier Control N/A 4655 Outdoor Temperature Sensor (only available for automatic units) 8052 8052 Current Sensing Relay 50 50 Saddle Valve Adapter 6 4229 4229 Shock Arrestor 4280 4280 Maintenance Kits (includes parts 35 (2), 4236, 4235, 4246, 4232 and 4004) 4750 4750 Blower Activation Relay 0 485 485 *Obsolete replaced with 4732 **Obsolete replaced with 4735 ***Obsolete replaced with 4736
Model 800/865 Residential Steam Humidifiers (Release Date Before November 204) 9 A B 7A 7B 7C 6 4 2 5 8 5 7 2 3C 3A 3B 6 20 22 0 3 2 9A 9B 4 8 24 23 25 90-698
Model 800/865 Residential Steam Humidifiers (Release Date Before November 204) NO. PART NAME QTY/CTN PART NO. Fill Valve In-line Strainer 2 4004 2 Membrane Switch 4975 3A Transformer, 20/24 VAC for.5 amp unit* & fill valve contained within housing 4976 3B Transformer, Universal for Model 865 with fill valve inlet extending from bottom of housing (75 VA) 5306 New! 3C Transformer, Universal for Model 800 with fill valve inlet extending from bottom of housing (40 VA) 5529 New! 4 Power Relay 4977 5 Electrode Wire 4978 6 Ground Lug 4979 7A Input Power Terminal Block 3-post for.5 amp unit* and fill valve contained within housing 4980 7B Input Power Terminal Block 2-post for.5 amp unit* and fill valve inlet extending from bottom of housing 5307 7C Input Power Terminal Block 2-post for.5/6.0 amp unit* 5354 8 Internal Control Circuit Board 498 9 Current Sensing Circuit Board 4982 0 Drain Valve 4983 A Inlet Fill Valve and Water Feed System for unit with fill valve contained within housing 4984 B Inlet Fill Valve and Water Feed System for unit with fill valve inlet extending from bottom of housing 5309 2 Drain Cup Assembly 4985 3 Front Panel and Screw 4986 4 Electrical Access Panel and Screw 4987 5 Safety Interlock Switch 4988 6 Fill Cup and Hoses 4989 7 Fill Cup Cap 4990 8 Steam Dispersion Tube and Screws 499 9A Automatic Digital Control 62 9B Digital Manual Control (Wall Mounted) 65 20 Steam Canister and O-Ring 6 80 2 Transformer terminal block for unit with fill valve inlet extending from bottom of housing. 5308 22 O-Ring for Steam Canister 6 5258 23 Condensate Tubing with Wire Ties 4997 24 Grille 4998 25 Fan 4999 OTHER PARTS Saddle Valve 400 Drain Trap Assembly 4028 Manual Humidistat and Blower Activation Relay 4993 Airflow Proving Switch 4592 High Humidity Limit Switch 4594 Condensate Pump (Rated for 60 0 F) 4856 Steam Hose (6ft) and Clamps 4973 Drain Hose (0 ft.) and Clamps 4974 Dispersion Tube Mounting Bracket for 8" Round Hi-Velocity Duct 5405 New! * See data label on side of humidifier to determine if unit draws.5 amps or.5/6.0 amps.
Model 800/80/865/866 Residential Steam Humidifiers (Release Date of Model 800/865 after November 204) 6 7 4 22 0 2 8 3 2 4 5 8 7 5 6 23A 9 23B 3 20 9 2 90-96
Model 800/80/865/866 Residential Steam Humidifiers (Release Date of Model 800/865 after November 204) NO. PART NAME QTY/CTN PART NO. Fill Valve In-line Strainer 2 4004 2 Membrane Switch 5532 New! 3 Transformer, Universal for Model 865, 866 (75 VA) 5306 New! 4 Electrode Wire 4978 5 Drain Valve 4983 6 Inlet Fill Valve, Water Feed Tube and Clamps 553 New! 7 Drain Cup Assembly 4985 8 Front Panel and Screw 4986 9 Electrical Access Panel and Screw 4987 0 Safety Interlock Switch 4988 Fill Cup and Hoses 5590 New! 2 Fill Cup Cap 4990 3 Steam Dispersion Tube and Screws 499 4 Steam Canister and O-Ring 6 80 5 Automatic digital Control for Model 800 62 6 Digital Manual Humidistat (Wall Mounted) 65 7 Control Board, Model 800, 865 5530 8 Universal Transformer, Model 800, 80 (40 VA) 5529 9 Condensate Tubing with Wire Ties 4997 20 Grille 4998 2 Fan 4999 22 Modulating Control board, Model 80, 866 5554 23A Automatic Digital Modulating control (ADMC) for Model 80 63 23B Automatic Digital Modulating control (ADMC) for Model 866 5558 OTHER PARTS Saddle Valve 400 Drain Trap Assembly 4028 Airflow Proving Switch 4592 High Humidity Limit Switch 4594 Relay, ADHC 485 Condensate Pump (Rated for 60 0 F) 4856 Steam Hose (6ft) and Clamps 4973 Drain Hose (0 ft.) and Clamps 4974 Duct Sensor, Used with Model 63 Only 5559 New! Dispersion Tube Mounting Bracket for 8" Round Hi-Velocity Duct 5405 New!
Model 350 Humidifiers NO. PART NAME QTY/CTN PART NO. Inlet Frame Almond 4206 Inlet Frame Gray 4852 2 Scale Control Insert 2 48 3 Water Panel Evaporator 0 35 4 Distribution Tray 482 5 Distribution Tray Cover 483 6 Nozzle 484 7 Baffle 485 8 Housing Almond 486 Housing Gray 4858 9 Drain Spud 487 0 Fan Blade 488 Motor 489 2 Motor Brackets Set 490 3 Solenoid Valve (Plastic Junction Box) 49 4 Orifice (Blue) 44 (2-2 pks.) 4232 5 20 Volt Humidifier Control - Replaces 403 4258 6 Feed Tube with Strainer, Orifice, Compression Sleeve and Nut 4079 7 Junction Box Cover 493 8 Junction Box 494 9 Humidistat 4655 20 In-Line Strainer 2 4004 2 Power Cord 4286 22 Saddle Valve 400 23 Angle Support Almond 2 483 Angle Support Gray 2 4875 24 Outlet Transition Almond 420 Outlet Transition Gray 4854 25 Joist Bracket Almond 2 4202 Joist Bracket Gray 2 4874 OTHER PARTS Screws and Clips Almond 4203 Screws and Clips Gray 4850 Saddle Valve Adapter 6 4229 Shock Arrestor 4280 Form No. 76A Models 350 Page 5 Model 360 Humidifiers NO. PART NAME QTY/CTN PART NO. Inlet Frame Almond 4206 Inlet Frame Gray 4852 2 Scale Control Insert 2 48 Model 350 Humidifiers 3 Water Panel Evaporator 0 35 4 Distribution Tray 482 5 Distribution Tray Cover 483 6 Nozzle 484 7 Baffle 485 8 Housing Almond 498 Housing Gray 4858 9 Drain Spud 487 0 Fan Blade 425 Motor 499 2 Motor Brackets Set 490 3 Solenoid Valve (Plastic Junction Box) 49 4 Orifice (Blue) 44 (2-2 pks.) 4232 5 20 Volt Humidifier Control - Replaces 403 4258 6 Feed Tube with Strainer, Orifice, Compression Sleeve and Nut 4079 7 Junction Box Cover 493 8 Junction Box 494 9 Humidistat 4655 20 In-Line Strainer 2 4004 2 Power Cord 4286 22 Saddle Valve 400 23 Outlet Grille Almond 4204 Outlet Grille Gray 4859 24 Inlet Wall Frame Almond 4205 Inlet Wall Frame Gray 4860 OTHER PARTS Screws and Clips Almond 4203 Screws and Clips Gray 4850 Saddle Valve Adapter 6 4229 Shock Arrestor 4280 6
Model 558, 550A, 550, 568, 560A, 560 Humidifiers (Almond Units) 8 5A or 5B MODEL 558/550A/550 MODEL 568/560A/560 NO. PART NAME QTY/CTN PART NO. PART NO. Water Panel Evaporator 0 0 35 2 Scale Control Insert (427-0) (4236-2) 427 4236 3 Water Distribution Tray 428 4277 4 Base 429 4262* 5 End Panel 4220 4263* 6 Duct Panel 422 4264* 6 Duct Panel for Integral Damper 4526 N/A 7 Cover With Latch And Label 4222 4265* 8 Drain Spud 6 4223 4223 9 Water Solenoid Valve (24 Volt) 4040 4040 0 In-Line Strainer 2 4004 4004 Saddle Valve 400 400 2 Orifice (Yellow) 44 (2-2 pks.) 423 423 3 Feed Tube with Strainer, Orifice, Compression Sleeve and Nut 4226 4266 4 Transformer 400 400 5A Automatic Humidifier Control 56 56 5B Manual Humidistat 4655 4655 6 Nozzle 484 484 7 Cover Latch Spring 4225 4225 8 Automatic Humidifier Control Gasket 4305 4305 OTHER PARTS QTY/CTN PART NO. PART NO. Outdoor Temperature Sensor 8052 8052 Current Sensing Relay 50 50 Saddle Valve Adapter 6 4229 4229 Shock Arrestor 4280 4280 Damper Assembly 4332 N/A Maintenance Kits (includes parts 0, 4226, 423, 4004, 427, 428 and 4223) 4793 N/A Maintenance Kits (includes parts 35, 4266, 423, 4004, 4236, 4277 and 4223) N/A 4837 Blower Activation Relay 0 485 485 *Part Nos. 4262, 4263, 4264, and 4265 are obsolete
rm No. 76A Model 50, 60 & 80 Steam Humidifiers. PART NAME QTY/CTN PART NO. NO. PART NAME Steam Chamber, 50 4560 8 Water Level Probe Gasket Steam Chamber, 60 456 9 Water Level Probe Assy Steam Chamber, 80 4627 20 Plug Quick Release Handle, 50 4562 Gasket, 50 Steam Chamber Quick Release Handle, 60 4563 2 Gasket, 60 Steam Chamber Quick Release Handle, 80 4628 Gasket, 80 Steam Chamber Cover 50 & 60 4564 22 Fill Valve Cover 80 4629 23 Drain Valve Terminal Block 4565 24 Drain Assy Relay, AC Safety (50) 4566 25 Thermal Cutout Relay, DC Control (50) 4567 OTHER PARTS Fuse Holder (50) 4568 Wiring Harness Fuse, 25 Amp (50) 4569 Hose, -/2" Dia. (50 & 60) Contactor (60 & 80) 4570 Hose, 2" Dia. (80) Terminal 457 Distribution Tube, -/2" Dia x 0" (50) Transformer 4572 Distribution Tube, -/2" Dia x 6" (60) Overlay & Switch 4573 Distribution Tube, 2" Dia x 28" (80) Internal Control Board 4574 Duct Plate (50 & 60) Standoff 4575 Duct Plate (80) Heater (50 & 60) 4576 Airflow Switch Heater (80) NO. PART NAME QTY/CTN PART 4630NO. Automatic Steam Humidifier Control Over-Temperature Thermostat Steam Chamber, 50 4577 4560 Hanging Bracket Steam Chamber, 60 456 Water Level Probe Assy Probe Housing 4578 High Humidity Limit Switch 2 Steam Chamber, 80 4627 Quick Release Handle, 50 4562 Quick Release Handle, 60 4563 Quick Release Handle, 80 4628 3 Cover 50 & 60 4564 Cover 80 4629 4 Terminal Block 4565 5 Relay, AC Safety (50) 4566 6 Relay, DC Control (50) 4567 7 Fuse Holder (50) 4568 8 Fuse, 25 Amp (50) 4569 9 Contactor (60 & 80) 4570 0 Terminal 457 Transformer 4572 2 Overlay & Switch 4573 3 Internal Control Board 4574 4 Standoff 4575 5 Heater (50 & 60) 4576 Heater (80) 4630 6 Over-Temperature Thermostat 4577 7 Probe Housing 4578 We reserved the right to make modifications as deemed necessary in line with our policy to continue supplying the finest equipment available. All prices are F.O.B. Poynette, WI, and subject to change without notice. Orders may be sent via EDI, Fax, email (purchaseorders@aprilaire.com), Mail or Phone. If EDI, call us for initial Setup. NO. PART NAME PART NO. 8 Water Level Probe Gasket 4579 9 4580 20 Plug 458 Gasket, 50 Steam Chamber 4582 2 Gasket, 60 Steam Chamber 4583 Gasket, 80 Steam Chamber 463 22 Fill Valve 4584 23 Drain Valve 4585 24 Drain Assy 4587 25 Thermal Cutout 4595 OTHER PARTS Wiring Harness Hose, -/2" Dia. (50 & 60) Hose, 2" Dia. (80) Distribution Tube, -/2" Dia x 0" (50) Distribution Tube, -/2" Dia x 6" (60) Distribution Tube, 2" Dia x 28" (80) 4637 4588 4632 4589 4590 4633 Duct Plate (50 & 60) 459 Duct Plate (80) 4636 Airflow Switch 4592 Automatic Steam Humidifier Control 57 Hanging Bracket 4593 High Humidity Limit Switch 4594 P.O. Box 467 Madison, WI 5370-467 Phone: 800/334-60 Fax: 608/257-4357 www.aprilairepartners.com Form No. 76B 03.5 Printed in U.S.A. 205 Aprilaire A division of Research Products Corporation