AHE-75-P02 PARTS MANUAL 202 Aqua-Hot Heating Systems Inc.
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Table of Contents Section : Heater Overview General... Page 5 Top... Page 6-7 Front... Page 8-0 Check Valves... Page Mixer Valve Assembly... Page 2 Propane Connections... Page Propane Burner Controls... Page 4 Section 2: Propane-Burner Overview... Page 5-7 Section : Misc. Parts Misc. Parts... Page 8 Page
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SECTION : HEATER OVERVIEW - GENERAL 2 5 4 6 7 PLX-007-065 Valve, Air Comb, Coin/Key 2 PLE-007-000 Valve, Air Assembly Comb, Coin/Key PLX-CTB-250 Clamp, Hose Constant Tension 4 PLE-20-9 Tube, Over Flow Clear 5/8 in x 8 ft 5 PLE-06-40 Tank QT. Expansion w/ 5/8 in barbs 6 SME-700-80 Cover, Access 7 SME-700-802 Tray, Mounting, Assembly Page 5
SECTION : HEATER OVERVIEW - TOP 4 2 SME-900-005 Cover, top/back/side assembly 2 HDX-000-62 Clamp, Romex /2 Plastic PLE-05-80 Fitting, Bulkhead Mod /2 x /2 (F) 4 PLX-75-050 Valve, Gas Ball Page 6
SECTION : HEATER OVERVIEW - TOP 4 2 ELE-000-9 Block, Terminal 2 Position 22-2 AWG 2 HDX-000-62 Clamp, Romex /2 Plastic ELE-000-900 Block, Terminal 2 Position 22-8 GA 4 ELE-000-905 Block Terminal Position 22-8 GA Page 7
SECTION : HEATER OVERVIEW - FRONT 7 2 4 5 6 HDX-00-00 Grommet, Nylatch 2 HDX-00-200 Plunger, Nylatch, ELX-60-00 Relay, 0A 277 VAC 2VDC Coil 4 ELX-BB6-0A Fuse Block 5 PLX-BV-200 Valve, Ball /2 in (F) NPT Brass 6 PLX-699-0 Fitting, Brass Barb /2 X /2 (M) NPT 7 ELX-000-050 Switch, Interlock Page 8
SECTION : HEATER OVERVIEW - FRONT 2 4 5 6 7 8 ELE-207-500 Element, Electric Heating Cartridge, Immersion 20v 500 Watt 2 ELE-800-08 Thermostat, Control VAC 85 F ELE-000-64-FRU Thermostat, High Limit VAC 25 F 4 ELE-HLT-425 Thermostat, High Limit 25 F 5 ELE-800-002 Switch Fluid Level Brass w/connectors 6 ELE-04-005 Thermostat, Control 85 F /2 in (M) NPT 7 ELE-LTC-608 Thermostat, Low Temp Cut-Off w/spade Connectors 8 HDE-700-205 Gasket, Combustion Chamber Tube Page 9
SECTION : HEATER OVERVIEW - FRONT 2 4 5 HDX-00-00 Grommet, Nylatch 2 HDX-00-200 Plunger, Nylatch PLX-CTB-270 Clamp, Hose, Constant Tension, /4, AH/HH 4 PLX-00-85 Pump, Cooper Standard 5 PLX-00-86 Bracket, Cooper Pump Mounting Page 0
SECTION : HEATER OVERVIEW - CHECK VALVES 2 4 PLX-A65-00 Fitting, Brass, Elbow, 90, Barb /4 x /2 (M) NP 2 PLX-2A-00 Valve, Brass Check, /2 X /2 (F)NPT PLX-A65-200 Fitting, Brass, Barb, /4 X /2 (M)NPT 4 PLX-CTB-290 Clamp, Hose Band -/6 in dia. Page
SECTION : HEATER OVERVIEW - MIXER VALVE ASSEMBLY 0 9 2 8 4 5 6 7 PLX-000-745 Ring, Crimp /2 in 2 PLX-000-70 Fitting, Straight, Swivel /2 in Barb x /2 in FPT PLX-000-725 Fitting, Cross /2 in Brass 4 PLX--25 Valve, Pressure Relief 25 PSI 5 PLX-22-000 Fitting, Brass, Close Nipple /2 (M)NPT w/hex 6 PLX-09P-00 Valve, Tempering 45 F 7 PLX-000-750 Fitting, Elbow, /2 in Barb 8 PLX-000-755 Fitting, Elbow, Swivel /2 in Barb x /2 in FPT 9 PLX--250 Fitting, Nipple /2 in NPT x 2-/2 in Brass 0 PLE-05-80 Fitting, Bulkhead Mod /2 x /2 (F) Page 2
SECTION : HEATER OVERVIEW - PROPANE CONNECTION 2 4 5 PLX-75-050 Valve, Gas Ball 2 PLX-75-045 Nipple, Close, /8 in NPT (M) Brass HDX-75-095 Fitting, Bulkhead /8 in x /8 in (F) NPT Brass 4 FLX-75-025 Fitting, #6 (M) JIC x /8 in (M) NPT Steel 5 FLE-42-85 Line, Fuel Assembly /8 in Steel Page
SECTION : HEATER OVERVIEW - PROPANE BURNER CONTROLS 2 4 FLE-42-85 Line, Fuel Assembly /8 in Steel 2 ELE-75-020 Harness, Burner ELX-75-025 Card, Burner controller 4 ELE-75-05 Card, Buck Boost Page 4
SECTION 2: PROPANE BURNER 2 ELX-75-020 Blower, Combustion 2 SME-75-025 Shutter, Air Intake ELX-75-05 Switch, Pressure 76 WC Page 5
SECTION 2: PROPANE BURNER 2 4 5 6 6 7 PLX-75-00 Valve, Dual Gas 2 ELX-75-05 Sensor, Flame ELX-75-00 Igniter, Flame 4 MSE-75-05 Insulation, Refractory 5 PBE-75-05 Tube, Mixing 6 ELX-75-00 Switch, Pressure.5 WC 7 ELX-75-040 Relay, Automotive 40A SPDT Page 6
SECTION 2: PROPANE BURNER 6 2 5 4 PLX-75-00 Elbow, /2 in NPT (F) 2 PLX-75-05 Bushing, /2 in NPT (M) x /8 in NPT (F) PLX-75-045 Nipple, Close, /8 in NPT (M) Brass 4 PLX-75-00 Valve, Dual Gas 5 FLX-75-020 Fitting, #6 (M) JIC x /8 in (M) NPT 45 Steel 6 FLE-42-85 Line, Fuel Assembly /8 in Steel Page 7
SECTION : MISC. PARTS 2 4 Discontinued 5a 5b 5c 6a 6b 6c Key Part Number Date of Use Description MSX-00-275 Antifreeze, Boiler, P.G., qt, Concentrate, (Camco) 2 MSX-00-270 Antifreeze, Boiler, P.G, Gallon (Camco) MSX-907-62 Tester, Refractometer, Battery/Coolant 4 HDE-700-205 Gasket, Combustion Chamber Tube 5a ELE-000-506 09/200-2/200 Switch, 2-Postion Assembly, LED - OBSOLETE 5b ELE-000-506 0/20-08/20 Switch, 2-Postion Assembly, LED 5c ELE-000-508 09/20 - Current Switch, 2-Postion Assembly, LED 6a ELX-28-284 09/200-2/200 Switch, Rocker, LED, 2 VDC - OBSOLETE 6b ELX-28-284 0/20-08/20 Switch, Rocker, LED, 2 VDC 6c ELX-28-28 09/20 - Current Switch, Rocker, LED, 2 VDC Page 8
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AHE-75-P02 Parts Manual 5549 East Highway 52 Fort Lupton, CO 8062 Toll free: 800.685.4298 phone: 0.659.822 fax:0.857.788 www.aquahot.com Page 20