Raypak 406A Digital Natural Gas ASME Heater #50 0-2K 017374 Parts & Diagram
Replacement parts and exploded parts diagram for the Raypak 406A Digital Natural Gas ASME Heater #50 0-2K (model 017374). Find the part on the diagram, then look for the same number (#) next to each part in the Available Parts list and add the parts you need to your cart.
Parts marked Alternate are compatible replacements from other manufacturers.
Other Parts on This Diagram
These parts are not listed for online purchase. Contact us with the diagram number and part number to order.
- #1-C – 006725F – 135^F R185A- R405A Surface MTG Auto Reset Tstat
- #1-J – 006736F – 120/240V Transformer
- #1-M – 006737F – 1.75PSI Pressure Switch
- #1-P – 600525B – 185B/ C- 405B / C MV NG Standing Pilot W/ Generator
- #2-C – 600892B – .25"-18MPT 135^F Auto Reset High Limit Kit (Red Epoxy; Prior to 12/2019 )
- #2-HM – 006730F – Cast Iron Inlet/ Outlet Header (ASME Complete; Units manufactured prior to 12/2019 (Cast Iron) )
- #2-HM – 012319F – 185-405 206-407 CI Inlet/Outlet Header (ASME; Header Only; Units manufactured prior to 12/2019 (Cast Iron) )
- #2-J – 009493F – Spst Rocker Switch
- #3-C – 600893B – .25"-18MPT 140^F Auto Reset High Limit Kit (Black Epoxy; Prior to 12/2019 )
- #3-HM – 006731F – R185A - R405A Asme Cast Iron Return Header (Units manufactured prior to 12/2019 (Cast Iron) )
- #3-M – 800307 – Thermostat Shaft MV
- #3-M – 009499F – R185B- R405B Thermostat Knob
- #3-P – 003901F – NG MV Pilot Orifice
- #4-M – 006886F – R185- R405 Knob Stop
- #4-P – 003903F – NG IID Pilot Orifice
- #4-S – 010312F – 206-406 207-407 Metal Access Panel SET (ASME; 3 Pieces included in pack for CI Header; Prior to 12/2019 )
- #5-C – 003346F – ELS 552-2/ 1102-2 Mech Thermostat Temp Control
- #5-M – 005899F – Thermal Fuse
- #5-P – 600019B – 35" 750MV 206A- 406A Thermocouple Pilot Generator
- #6-C – 009577F – 3-WIRE IID Temperature Sensor
- #6-HP – 008259F – .25-20 Flange Nut Kit
- #6-HM – 007870F – 206A 266A 336A 406A Stud Bolt Kit (Units manufactured prior to 12/2019 )
- #6-M – 008091F – 125PSI Pressure Relief Valve (125 PSI (Optional) )
- #6-M – 007224F – 125PSI Pressure Relief Valve (125 PSI (Optional) )
- #6-P – 010352F – 206 406 MV Pilot Mounting Bracket
- #6-S – 010377F – 206A 406A Jacket Left Side Panel
- #7-C – 013640F – LCD Display Module (Units manufactured from 5/2011 )
- #7-HP – 006713F – 2/PK Polymer Header Oring Gasket (2 pieces included in pack )
- #7-HM – 800014B – .75" 185A- 405A Flat Header Gasket (9 pieces included in pack )
- #7-P – 306692 – 185B- 405B IID Pilot Mounting Bracket
- #8-HP – 006714F – Sensor Adapter
- #8-HP – 006805F – 11/16" 206A- 406A SS Sensor Well
- #8-HM – 062234B – 155B-408 Unitherm Governor Kit
- #8-M – 010386F – 206A- 406A MV Wire Harness
- #8-M – 009490F – R185B- R405B IID Wire Harness
- #8-M – 013817F – Wire/Harness IID Kit for Atmospheric Models 268A-408A
- #8-P – 062996 – 206A- 406A MV Lighter Tube (MV Units Only )
- #9-HP – 006715F – R185A- R405A Capron Bypass Kit
- #9-HM – 013792F – 155B- 405/ 206/ 408A Unitherm GOV Retainer Spring
- #9-M – 009489F – R185B- R405B MV Control Bezel (Includes Dial Decal )
- #9-P – 004078F – 34" Pilot Tube Kit
- #9-S – 010319F – 206 408 207 407 High Limit Cover
- #10-HP – 006716F – R185A- R405A Capron Bypass Valve
- #10-M – 009858F – 185B-405B 206-406 MV Dial Decal
- #10-S – 010320F – 206A- 406A/ 207A- 407A Base Heat Shield (Prior to 10/2019 )
- #11-HP – 006717F – R185A- R405A Capron Bypass Dam/Shaft
- #12-HP – 006718F – R185A- R405A Capron Bypass Spring (All Sizes Included )
- #12-HM – 013793F – 1/8"NPT 206A- 406A Drain Valve
- #12-M – 009492F – Switch/Decal-membrane (Units manufactured prior to 5/2011 )
- #12-S – 010342F – 206 407 High Limit Shield
- #13-HP – 006719F – 185-407 Unitherm Governor
- #13-HM – 003765F – 105A-408 Sensor Well
- #13-M – 009487F – 206- 407/ R185B- R405B Control Bezel Cover
- #14-HP – 006720F – 185-407 Capron Unitherm Governor Plug
- #14-HM – 300203 – 206A- 406A Bulb Retainer Clip
- #14-M – 010350F – 206 408 Insulation Gasket (Swaybrace & Jacket Top )
- #15-HP – 006721F – R185A- R405A Capron Drain Plug
- #15-HM – 003766F – 1.5"/2" CI Inlet/Outlet Flange Kit (Manufactured prior to 12/2019 )
- #15-M – 750125 – 12.75OZ Forest Green Aerosol Touch-Up Paint (Green )
- #15-M – 750126 – 12.75OZ Charcoal GRY Aerosol Touch-Up Paint (Dark grey )
- #15-M – 750256 – Cool Dark GRY Touch-Up Paint (Cool Dark grey )
- #15-M – 750258 – Warm Dark GRY Touch-Up Paint (Warm Dark grey )
- #16-HM – 062236B – 2/PK 1.5" Flange Gasket (Manufactured prior to 12/2019 )
- #16-HM – 800080B – 2/PK 2" Flange Gasket (Manufactured prior to 12/2019 )
- #17-HM – 005264F – 206A- 406A/ 207A- 407A Rear Drain Plug & Cover
- #19-HP – 006826F – R185A- R405A Plastic Inlet/ Outlet Header Baffle
- #19-HM – 005393F – 2" Cpvc Inlet Adapter
- #22-M – 013795F – 2" Cpvc Outlet Connector W/ Flange Gasket (NPT Connection; Outlet Plumbing )
- #24-M – 006724F – 2" Connector Oring Kit (2 pieces included in pack )
Please confirm your model number matches your existing equipment before ordering.
GTIN:
SKU: DIAGRAM-017374
Brand: Raypak
Price range
$4.68 - $489.00
Tax and shipping are calculated at checkout.

Expert Support
Secure Checkout
Quality Guaranteed
Fast Shipping 3-5 Days
Key Features
- Exploded parts diagram for the Raypak 406A Digital Natural Gas ASME Heater #50 0-2K (model 017374)
- 36 replacement parts available to order online
- Diagram number shown next to every part for easy matching
- Genuine Raypak parts plus compatible alternates
- Add multiple parts to your cart at once