Products

Suppliers
Filter Gallery
9,431

Solar Energy Pipe Fitting

Products
Water Tank Solar Energy Equipment Water Heater Solar Energy Materials Solar Energy Water Solar Heating

Sorry! No matches were found.

POM Aluminium-Plastic Pipe Fitting Solar Energy Pipe Fitting Direct

POM Aluminium-Plastic Pipe Fitting Solar Energy Pipe Fitting Direct

US $ 0.18-0.2 / Piece FOB
1,000 Pieces (MOQ)
More
Main Products: Vane Pump, Hydraulic Accessories, Plumbing Accessories, Auto and Motorcycle Parts, Metal Machining Parts
Contact Supplier
Audited Supplier
Zhuji Qide Machinery Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2024
Chat Now Send Inquiry
OEM/ODM Hydraulic Hose Ferrules 00402/00403 4sh/4sp Fittings in Different Sizes

OEM/ODM Hydraulic Hose Ferrules 00402/00403 4sh/4sp Fittings in Different Sizes

US $ 0.1-0.5 / Piece FOB
100 Pieces (MOQ)
More
Type : Cold Stamping
Contact Supplier
Audited Supplier
Botou City Zecheng Environmental Protection Machinery Equipment Co., Ltd

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
Chat Now Send Inquiry
Press Fittings Potable Water Gas Heating Cooling Firefighting Sprinkler Systems Solar Thermal

Press Fittings Potable Water Gas Heating Cooling Firefighting Sprinkler Systems Solar Thermal

US $ 0.8-1 / pieces FOB
50 pieces (MOQ)
More
Main Products: Stainless Steel Pipe&Fitting, Pressfittings, Valve, Pipe Fittings
Contact Supplier
Audited Supplier
Guangdong Shoulong Pipeline Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2024
Chat Now Send Inquiry
U Type Clip High Quality PVC Pipe Clamps Fitting Steel with Rubber Lined Clip Fixing Zinc Galvanized Steel Saddle Clamp HDPE

U Type Clip High Quality PVC Pipe Clamps Fitting Steel with Rubber Lined Clip Fixing Zinc Galvanized Steel Saddle Clamp HDPE

US $ 0.11-4.53 / Piece FOB
1 Piece (MOQ)
More
Customized : Customized
Contact Supplier
Audited Supplier
Xiamen Papler Technology Co., Ltd.

Fujian, China Since 2022
Chat Now Send Inquiry
Through Multiple Certifications Plastic Water Pipe for Solar Energy

Through Multiple Certifications Plastic Water Pipe for Solar Energy

US $ 1.5-80 / Meter FOB
1,000 Meters (MOQ)
More
Main Products: Pex Plumbing System, Pb Plumbing System, Multilayer Plumbing System, PPR Plumbing System, Underfloor Heating System, Gas Piping System, Irrigation Piping System, PP & PVC Drainage Piping System
Contact Supplier
Jinan Apex Import and Export Trading Co., Ltd

Shandong, China Since 2025
Chat Now Send Inquiry
Solar Cold and Hot Energy Saving High Heat Resistance PPR Underfloor Heating Water Supply Pipe

Solar Cold and Hot Energy Saving High Heat Resistance PPR Underfloor Heating Water Supply Pipe

US $ 0.1-1 / Meter FOB
100 Meters (MOQ)
More
Shape : Round
Contact Supplier
Audited Supplier
Chongqing Hengcai Building Materials Co., Ltd.

Chongqing, China Since 2025
Chat Now Send Inquiry
OEM White Color Pn16 20mm PPR Pipes for Solar Energy Hot Water

OEM White Color Pn16 20mm PPR Pipes for Solar Energy Hot Water

US $ 0.5-10 / Meter FOB
10,000 Meters (MOQ)
More
Main Products: PEX Plumbing System/PB Plumbing System/Multilayer Plumbing System/PPR Plumbing System/Underfloor Heating System/Gas piping System/Irrigation Piping System/PP & PVC Drainage Piping System
Contact Supplier
Audited Supplier
Weifang Palconn Plastics Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2020
Chat Now Send Inquiry
OEM White Pn16 20mm PPR Pipes – Solar Energy Hot Water Plumbing Pipes

OEM White Pn16 20mm PPR Pipes – Solar Energy Hot Water Plumbing Pipes

US $ 0.5-10 / Meter FOB
5,000 Meters (MOQ)
More
Tensile Strength : 30~40MPa
Contact Supplier
Jinan Apex Import and Export Trading Co., Ltd

Shandong, China Since 2025
Chat Now Send Inquiry
Solar Energy Water Heater Pex Al Pex Pipe for Heating

Solar Energy Water Heater Pex Al Pex Pipe for Heating

US $ 0.39-0.44 / Meter FOB
10,000 Meters (MOQ)
More
Main Products: PEX Plumbing System/PB Plumbing System/Multilayer Plumbing System/PPR Plumbing System/Underfloor Heating System/Gas piping System/Irrigation Piping System/PP & PVC Drainage Piping System
Contact Supplier
Audited Supplier
Weifang Palconn Plastics Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Shandong, China Since 2020
Chat Now Send Inquiry
Best Choice Easy to Construct Hot and Cold Water Pipe for Solar Energy

Best Choice Easy to Construct Hot and Cold Water Pipe for Solar Energy

US $ 1.5-80 / Meter FOB
1,000 Meters (MOQ)
Contact Supplier
Jinan Apex Import and Export Trading Co., Ltd

Shandong, China Since 2025
Chat Now Send Inquiry
OEM White Color Pn16 20mm 25mm 32mm 40mm 50mm 63mm 90mm 160mm 4 Inch 6 Inch PPR Pipes for Solar Energy Hot Water

OEM White Color Pn16 20mm 25mm 32mm 40mm 50mm 63mm 90mm 160mm 4 Inch 6 Inch PPR Pipes for Solar Energy Hot Water

US $ 0.5-10 / Meter FOB
10,000 Meters (MOQ)
More
Main Products: Pex Plumbing System, Pb Plumbing System, Multilayer Plumbing System, PPR Plumbing System, Underfloor Heating System, Gas Piping System, Irrigation Piping System, PP & PVC Drainage Piping System
Contact Supplier
Jinan Apex Import and Export Trading Co., Ltd

Shandong, China Since 2025
Chat Now Send Inquiry
OEM White Pn16 32mm PPR Pipes – Solar Energy Hot Water Plumbing Pipe

OEM White Pn16 32mm PPR Pipes – Solar Energy Hot Water Plumbing Pipe

US $ 0.5-10 / Meter FOB
5,000 Meters (MOQ)
More
Contraction Percentage : ＜0.4%
Contact Supplier
Jinan Apex Import and Export Trading Co., Ltd

Shandong, China Since 2025
Chat Now Send Inquiry
Related Searches
Solar Water Heating Solar Heater Solar Water Heater Solar Fitting Pipe Fitting
Elbow Combination & Joint Fittings Other Pipe Fittings Composite Pipe & Tube Floor Heating Systems & Parts Union
90 Degree Elbow 45 Degree Elbow Long Radius Elbow Short Radius Elbow Reducing Elbow U Bend Elbow
High Efficiency Solar Water Heating with Greenhouse Heating Pipes

High Efficiency Solar Water Heating with Greenhouse Heating Pipes

US $ 361-385 / Set FOB
1 Set (MOQ)
More
Main Products: Solar Water Heater, Solar Collector, Solar Heating, Air to Water Heat Pump, Solar Hot Heater, Swimming Pool Heat Pumps, Solar Water Tank, Solar Vacuum Tube, Solar Flat Panel Collector, Hot Water Heat Pumps
Contact Supplier
Audited Supplier
Jiangsu Imposol New Energy Co., Ltd.

Jiangsu, China Since 2008
Chat Now Send Inquiry
Pool Water Heater Prices Lowes, Pipe Solar Thermal

Pool Water Heater Prices Lowes, Pipe Solar Thermal

US $ 361-385 / Set FOB
1 Set (MOQ)
More
Max. Capacity : >200L
Contact Supplier
Audited Supplier
Jiangsu Imposol New Energy Co., Ltd.

Jiangsu, China Since 2008
Chat Now Send Inquiry
Passive Thermosiphon Solar Water Heater Pipe

Passive Thermosiphon Solar Water Heater Pipe

US $ 361-385 / Set FOB
1 Set (MOQ)
More
Main Products: Solar Water Heater, Solar Collector, Solar Heating, Air to Water Heat Pump, Solar Hot Heater, Swimming Pool Heat Pumps, Solar Water Tank, Solar Vacuum Tube, Solar Flat Panel Collector, Hot Water Heat Pumps
Contact Supplier
Audited Supplier
Jiangsu Imposol New Energy Co., Ltd.

Jiangsu, China Since 2008
Chat Now Send Inquiry
Integrative Pressurized Water Solar Heater Heating Pipe

Integrative Pressurized Water Solar Heater Heating Pipe

US $ 361-385 / Set FOB
1 Set (MOQ)
More
Collector Components : Glass Vacuum Tube
Contact Supplier
Audited Supplier
Jiangsu Imposol New Energy Co., Ltd.

Jiangsu, China Since 2008
Chat Now Send Inquiry
OEM 90*15mm Pn 20 PPR Pipe, Elbow, Socket for Hot and Cold Water

OEM 90*15mm Pn 20 PPR Pipe, Elbow, Socket for Hot and Cold Water

US $ 0.34-10 / Meter FOB
10,000 Meters (MOQ)
More
Main Products: Pex Plumbing System, Pb Plumbing System, Multilayer Plumbing System, PPR Plumbing System, Underfloor Heating System, Gas Piping System, Irrigation Piping System, PP & PVC Drainage Piping System
Contact Supplier
Jinan Apex Import and Export Trading Co., Ltd

Shandong, China Since 2025
Chat Now Send Inquiry
China Solar Panel Mounting Aluminum Rail PE/EPDM Solar End Cap

China Solar Panel Mounting Aluminum Rail PE/EPDM Solar End Cap

US $ 0.1 / pieces FOB
1,000 pieces (MOQ)
More
Condition : New
Contact Supplier
Audited Supplier
Xiamen Egret Solar New Energy Technology Co., Ltd

Manufacturer/Factory

Fujian, China Since 2024
Chat Now Send Inquiry
Precision Engineered Galvanized Square Tube for Solar Panel Mounting Systems and Renewable Energy Projects

Precision Engineered Galvanized Square Tube for Solar Panel Mounting Systems and Renewable Energy Projects

US $ 450-550 / Ton FOB
10 Tons (MOQ)
More
Main Products: Seamless Steel Pipe, Galvanized Steel Pipe, ERW Steel Pipe, SSAW and LSAW Steel Pipe, Steel Coil, Steel Sheet, Corrugated Steel Sheet, Steel Plate, H Beam, PPGI Steel Coil
Contact Supplier
Audited Supplier
Credit Import and Export Trading Co., Ltd.

Manufacturer/Factory & Trading Company

Tianjin, China Since 2025
Chat Now Send Inquiry
High Quality Solar Powered Barricade Flashing Warming Light with 48.3mm Half Coupler

High Quality Solar Powered Barricade Flashing Warming Light with 48.3mm Half Coupler

US $ 2.99-8.99 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Audited Supplier
WUXI TOTAL CONTEC METAL INDUSTRIES CO.,LTD

Jiangsu, China Since 2021
Chat Now Send Inquiry
Related Videos
  • What is OEM/ODM Hydraulic Hose Ferrules 00402/00403 4sh/4sp Fittings in Different Sizes
    What is OEM/ODM Hydraulic Hose Ferrules 00402/00403 4sh/4sp Fittings in Different Sizes
    US $ 0.1-0.5 /Piece
    100 Pieces (MOQ)
    Contact Supplier
  • What is U Type Clip High Quality PVC Pipe Clamps Fitting Steel with Rubber Lined Clip Fixing Zinc Galvanized Steel Saddle Clamp HDPE
    What is U Type Clip High Quality PVC Pipe Clamps Fitting Steel with Rubber Lined Clip Fixing Zinc Galvanized Steel Saddle Clamp HDPE
    US $ 0.11-4.53 /Piece
    1 Piece (MOQ)
    Contact Supplier
  • What is Solar Cold and Hot Energy Saving High Heat Resistance PPR Underfloor Heating Water Supply Pipe
    What is Solar Cold and Hot Energy Saving High Heat Resistance PPR Underfloor Heating Water Supply Pipe
    US $ 0.1-1 /Meter
    100 Meters (MOQ)
    Contact Supplier
  • What is OEM White Pn16 20mm PPR Pipes – Solar Energy Hot Water Plumbing Pipes
    What is OEM White Pn16 20mm PPR Pipes – Solar Energy Hot Water Plumbing Pipes
    US $ 0.5-10 /Meter
    5,000 Meters (MOQ)
    Contact Supplier
China Manufacturer Tower-Style Stable Performance Planetary Slewing Drive Rotary Reducer for Solar Energy Tracking Systems

China Manufacturer Tower-Style Stable Performance Planetary Slewing Drive Rotary Reducer for Solar Energy Tracking Systems

US $ 69-999 / Piece FOB
20 Pieces (MOQ)
More
Main Products: Gearbox, Reducer, Sprocket, Gear, Gear Rack, Chain, Pulley, Pto Drive Shaft, Screw Jack, Coupling
Contact Supplier
Audited Supplier
Hangzhou Xinlan Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2020
Chat Now Send Inquiry
Armaflex Open Self-Adhesive Aluminum Foil Solar Hot Water Pipe Insulation

Armaflex Open Self-Adhesive Aluminum Foil Solar Hot Water Pipe Insulation

US $ 37 / Box FOB
243 Boxes (MOQ)
More
Capability : Heat-resistant Rubber Hose
Contact Supplier
Audited Supplier
Myreal Energy Saving (Shanghai) Co., Ltd.

Shanghai, China Since 2022
Chat Now Send Inquiry
Plastic Rail End-Cap for Solar Aluminum Profile Panel Mounting System End Cover

Plastic Rail End-Cap for Solar Aluminum Profile Panel Mounting System End Cover

US $ 0.08-0.12 / sets FOB
1 sets (MOQ)
More
Main Products: Solar Bracket, Solar Accessories, Hook
Contact Supplier
Audited Supplier
Xiamen Egret Solar New Energy Technology Co., Ltd

Manufacturer/Factory

Fujian, China Since 2024
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

About Solar Energy Pipe Fitting FAQ

  • QWhat are the advantages of sourcing elbows wholesale for industrial applications?

    Our Solar Energy Pipe Fitting offers exceptional quality within the Elbow category.Sourcing elbows wholesale for industrial applications can result in cost savings through bulk purchases, streamlined supply chain management, and access to diverse product options. Wholesale purchasing often includes discounted prices, flexible payment terms facilitating efficient procurement for your industrial equipment production needs.

  • QHow can I find a trusted China supplier for elbows in the Industrial Equipment & Components industry?

    Our Solar Energy Pipe Fitting offers exceptional quality within the Elbow category.To find a reliable supplier in China for elbows, you can leverage online directories, industry tradeshows, and professional networks. It's important to conduct thorough due diligence, check for certifications, and request product samples to ensure quality and reliability. Collaborating with a reputable manufacturer strengthens the supply chain.

  • QWhat material options are available for elbows in Industrial Equipment & Components?

    Enhance your Elbow setup with our premium Solar Energy Pipe Fitting.Elbows in Industrial Equipment & Components are commonly made from stainless steel, carbon steel, and PVC. Each material offers different benefits in terms of strength, durability, and corrosion resistance, allowing you to choose the most suitable option for your specific application.

Customized Low Price Fu Bush Fan Powder Metallurgy High Quality Bronze Bushing

Customized Low Price Fu Bush Fan Powder Metallurgy High Quality Bronze Bushing

US $ 0.1-0.5 / Piece FOB
100 Pieces (MOQ)
More
Customized : Customized
Contact Supplier
Audited Supplier
Botou City Zecheng Environmental Protection Machinery Equipment Co., Ltd

Manufacturer/Factory & Trading Company

Hebei, China Since 2025
Chat Now Send Inquiry
Pn12.5 Pn25 Green 20mm 25mm 4m/PC PPR Pipe for Cold Water

Pn12.5 Pn25 Green 20mm 25mm 4m/PC PPR Pipe for Cold Water

US $ 0.27-12 / Meter FOB
5,000 Meters (MOQ)
More
Main Products: Pex Plumbing System, Pb Plumbing System, Multilayer Plumbing System, PPR Plumbing System, Underfloor Heating System, Gas Piping System, Irrigation Piping System, PP & PVC Drainage Piping System
Contact Supplier
Jinan Apex Import and Export Trading Co., Ltd

Shandong, China Since 2025
Chat Now Send Inquiry
High Quality Solar Powered Barricade Flashing Warming Light with 48.3mm Half Coupler for Sale

High Quality Solar Powered Barricade Flashing Warming Light with 48.3mm Half Coupler for Sale

US $ 2.99-8.99 / Piece FOB
1 Piece (MOQ)
Contact Supplier
Audited Supplier
WUXI TOTAL CONTEC METAL INDUSTRIES CO.,LTD

Jiangsu, China Since 2021
Chat Now Send Inquiry
DIN Standard PPR Pipe Hot and Cold Water Polypropylene Plumbing Pipe S2.5 DIN8077/8078 Green 50mm PPR Hot Water Pipe

DIN Standard PPR Pipe Hot and Cold Water Polypropylene Plumbing Pipe S2.5 DIN8077/8078 Green 50mm PPR Hot Water Pipe

US $ 0.27-12 / Meter FOB
5,000 Meters (MOQ)
More
Main Products: Pex Plumbing System, Pb Plumbing System, Multilayer Plumbing System, PPR Plumbing System, Underfloor Heating System, Gas Piping System, Irrigation Piping System, PP & PVC Drainage Piping System
Contact Supplier
Jinan Apex Import and Export Trading Co., Ltd

Shandong, China Since 2025
Chat Now Send Inquiry
Mount End-Cap for Solar Panel Mounting Rail Caps- for Aluminum Solar Rail

Mount End-Cap for Solar Panel Mounting Rail Caps- for Aluminum Solar Rail

US $ 0.01-0.02 / pieces FOB
100 pieces (MOQ)
More
Certification : API, ISO, CB, CE
Contact Supplier
Audited Supplier
Xiamen Egret Solar New Energy Technology Co., Ltd

Manufacturer/Factory

Fujian, China Since 2024
Chat Now Send Inquiry
40mm Solar PPR Pipe Pn16 - OEM White/Green Color for Hot Water Systems

40mm Solar PPR Pipe Pn16 - OEM White/Green Color for Hot Water Systems

US $ 0.5-10 / Meter FOB
5,000 Meters (MOQ)
More
Main Products: Pex Plumbing System, Pb Plumbing System, Multilayer Plumbing System, PPR Plumbing System, Underfloor Heating System, Gas Piping System, Irrigation Piping System, PP & PVC Drainage Piping System
Contact Supplier
Jinan Apex Import and Export Trading Co., Ltd

Shandong, China Since 2025
Chat Now Send Inquiry
Hmcg-25-II (2) , Harmonic Precision Reducer of Gearbox for Aerospace, Robotic Joints, 3D Printer, Solar Energy

Hmcg-25-II (2) , Harmonic Precision Reducer of Gearbox for Aerospace, Robotic Joints, 3D Printer, Solar Energy

US $ 225-487 / Piece FOB
1 Piece (MOQ)
More
Step : Stepless
Contact Supplier
Audited Supplier
Suzhou Yijiaang Automation Technology Co., Ltd

Trading Company

Jiangsu, China Since 2023
Chat Now Send Inquiry
End Cap Cover Cap Solar Rail PV Solar Rail Accessories

End Cap Cover Cap Solar Rail PV Solar Rail Accessories

US $ 0.13 / pcs FOB
10,000 pcs (MOQ)
More
Main Products: Solar Bracket, Solar Accessories, Hook
Contact Supplier
Audited Supplier
Xiamen Egret Solar New Energy Technology Co., Ltd

Manufacturer/Factory

Fujian, China Since 2024
Chat Now Send Inquiry
OEM 63*8.6mm Pn16 PPR Pipe, Elbow, Socket PPR Fittings for Hot and Cold Water

OEM 63*8.6mm Pn16 PPR Pipe, Elbow, Socket PPR Fittings for Hot and Cold Water

US $ 0.341-10 / Meter FOB
10,000 Meters (MOQ)
More
Tensile Strength : 30~40MPa
Contact Supplier
Jinan Apex Import and Export Trading Co., Ltd

Shandong, China Since 2025
Chat Now Send Inquiry
Customized Solar Panel Mounting System Rail End Caps

Customized Solar Panel Mounting System Rail End Caps

US $ 0.1 / pieces FOB
1,000 pieces (MOQ)
More
Main Products: Solar Bracket, Solar Accessories, Hook
Contact Supplier
Audited Supplier
Xiamen Egret Solar New Energy Technology Co., Ltd

Manufacturer/Factory

Fujian, China Since 2024
Chat Now Send Inquiry
25mm Solar PPR Pipe Pn16 - OEM White/Green Dual Color for Rooftop Hot Water

25mm Solar PPR Pipe Pn16 - OEM White/Green Dual Color for Rooftop Hot Water

US $ 0.5-10 / Meter FOB
5,000 Meters (MOQ)
More
Water Absorption : 1.5%~3.5%
Contact Supplier
Jinan Apex Import and Export Trading Co., Ltd

Shandong, China Since 2025
Chat Now Send Inquiry
Energy Saving PPR Insulated Plastic Hot and Cold Water Supply Plumbing Pipe

Energy Saving PPR Insulated Plastic Hot and Cold Water Supply Plumbing Pipe

US $ 0.1-1 / Meter FOB
100 Meters (MOQ)
More
Main Products: Pipe
Contact Supplier
Audited Supplier
Chongqing Hengcai Building Materials Co., Ltd.

Chongqing, China Since 2025
Chat Now Send Inquiry
End Cap with EPDM for Aluminum Rail 40*40mm Solar Rail End Cover

End Cap with EPDM for Aluminum Rail 40*40mm Solar Rail End Cover

US $ 0.04-0.05 / pieces FOB
1,000 pieces (MOQ)
More
Certification : API, ISO, CB, CE
Contact Supplier
Audited Supplier
Xiamen Egret Solar New Energy Technology Co., Ltd

Manufacturer/Factory

Fujian, China Since 2024
Chat Now Send Inquiry
View More

Related Searches

Solar Energy Solar Energy Heating Solar Hot Water Solar Energy Heating System High Pressure Solar Water Heater Solar Hot Water Heater Solar Energy Water Heat Vacuum Tube Solar Water Heater Solar Energy Heater Tube Solar Energy Water Collector

You may also like

High Pressure Pipe industrial steel pipe energy water system Welding Steel Pipe Steel Water Pipe high temperature pipe

Browse by Categories

Home > Industrial Equipment & Components > Fastener & Fitting > Elbow > 90 Degree Elbow
1/262
TOP

Search Filter

Categories

More Less
  • Elbow
  • Combination & Joint Fittings
  • Other Pipe Fittings
  • Composite Pipe & Tube
  • Floor Heating Systems & Parts
  • Union
  • Speed Reducer
  • Other Pipes & Tubes
  • Other Building Steel & Structures
  • Copper Pipe & Tube

Contraction Percentage

More Less
  • ＜0.4%
  • 1.0%~2.5%

Kind

More Less
  • Thermoplastics Pipes
  • Thermosetting Plastics Pipe

Material

More Less
  • PE
  • PP
  • PVC

Tensile Strength

More Less
  • 41~50MPa
  • 30~40MPa
  • 81~130MPa
  • 3.9MPa
  • 3.46MPa

Water Absorption

More Less
  • 0.12%~0.25%
  • 1.5%~3.5%
  • ＜0.01%
  • 0.2%~0.4%

Company Type

More Less
  • Trading Company
  • Manufacturer/Factory
  • Group Corporation
  • Other

Company Location

More Less
  • Shandong
  • Zhejiang
  • Jiangsu
  • Guangdong
  • Anhui
  • Sichuan
  • Shanghai
  • Hebei
  • Hunan
  • Beijing
  • Tianjin
  • Fujian
  • Hubei
  • Jiangxi
  • Henan
  • Jilin
  • Shaanxi
  • Liaoning
  • Chongqing
  • Shanxi
Reset Done