Skip to content

Free Standard Parts Shipping Over $999* • TIPS Contract Vendor • *Exclusions apply

📦 Order Status

📞 850-565-3492 🛠️ Apply for Trade Pricing

Boilers
- Lochinvar
- Weil-McLain
Pumps
Parts Finder
Components
Industrial Parts
Support
Resources
Calculators
Home

Boilers
- Lochinvar
- Weil-McLain
Pumps
Parts Finder
Components
Industrial Parts
Support
Resources
Calculators
Home

Search

Item added to your cart

View cart

Boilers ▾

Lochinvar Weil-McLain

Pumps ▾

Bell & Gossett Taco Comfort Solutions Grundfos Armstrong Pumps & Circulators

Parts Finder

Components ▾

Expansion Tanks Air & Dirt Separators Condensate Neutralizers Hydronic Trim & Valves Circuit Setters Piping & Fittings Regulators & Controls Flush Valves & Plumbing Bundles & Kits Tankless Water Heaters

Industrial Parts ▾

HVAC HVAC Parts Fans & Ventilation HVAC Controls Heating Equipment Air Conditioning & Refrigeration Filters & Air Treatment HVAC Pumps

Plumbing Pipes, Valves & Fittings Plumbing Repair & Maintenance Filtration Water Heaters

Safety Safety Equipment

Fireye Fireye

Power Transmission Bearings, V-belts & Power Transmission Compressors, Air Tanks & Pneumatic Parts Motors Hydraulic Cylinders & Equipment Fluids & Lubricants

Electrical Industrial Electrical Controls & Automation Electrical Enclosures, Wireways & Covers Circuit Protection Power Quality & Distribution Generators Industrial Control & Automation

Support ▾

Track Your Order Order Assistance Contact Us

Resources

Calculators

Home

Contact Us

📞 850-565-3492 🛠️ Apply for Trade Pricing

Home › straub

Collection: straub

Sort by:

26 products

Filter and sort Filter

Filter and sort

Filter

26 products

Sort by:

Remove all

26 products

Straub G20000-SI – 3/4 in 316 Stainless Steel Grip L Pipe Coupling, Polished Finish, Axial Movement, EPDM Seal

Straub G20000-SI – 3/4 in 316 Stainless Steel Grip L Pipe Coupling, Polished Finish, Axial Movement, EPDM Seal

Vendor:
STRAUB

Regular price $171.12 USD

Regular price Sale price $171.12 USD
Straub G20100-SI – 1 in 316 Stainless Steel Grip L Pipe Coupling, Axial Restraint, Polished Finish, EPDM Seal

Straub G20100-SI – 1 in 316 Stainless Steel Grip L Pipe Coupling, Axial Restraint, Polished Finish, EPDM Seal

Vendor:
STRAUB

Regular price $178.75 USD

Regular price Sale price $178.75 USD
Straub G20101-SI – Pipe Coupling, 1 in, 316 Stainless Steel, Polished, Axial Restraint, 232 PSI

Straub G20101-SI – Pipe Coupling, 1 in, 316 Stainless Steel, Polished, Axial Restraint, 232 PSI

Vendor:
STRAUB

Regular price $178.75 USD

Regular price Sale price $178.75 USD
Straub G20200-SI – 1-1/4 in 316 Stainless Steel Grip L Pipe Coupling, Polished Finish, Axial Movement, EPDM Seal

Straub G20200-SI – 1-1/4 in 316 Stainless Steel Grip L Pipe Coupling, Polished Finish, Axial Movement, EPDM Seal

Vendor:
STRAUB

Regular price $227.80 USD

Regular price Sale price $227.80 USD
Straub G20201-SI – Pipe Coupling, 1 Bolt, 1-1/4" Pipe Size

Straub G20201-SI – Pipe Coupling, 1 Bolt, 1-1/4" Pipe Size

Vendor:
STRAUB

Regular price $231.07 USD

Regular price Sale price $231.07 USD
Straub G20300-SI – 1-1/2 in 316 Stainless Steel Grip L Pipe Coupling, Axial Movement, Polished Finish

Straub G20300-SI – 1-1/2 in 316 Stainless Steel Grip L Pipe Coupling, Axial Movement, Polished Finish

Vendor:
STRAUB

Regular price $243.17 USD

Regular price Sale price $243.17 USD
Straub G20301-SI – Pipe Coupling, 1-1/2 in, 316 Stainless Steel, Polished, Axial Movement, 232 PSI

Straub G20301-SI – Pipe Coupling, 1-1/2 in, 316 Stainless Steel, Polished, Axial Movement, 232 PSI

Vendor:
STRAUB

Regular price $234.34 USD

Regular price Sale price $234.34 USD
Straub G20450-SI – 2 in 316 Stainless Steel Grip L Pipe Coupling, Polished Finish, Axial Movement, EPDM Seal

Straub G20450-SI – 2 in 316 Stainless Steel Grip L Pipe Coupling, Polished Finish, Axial Movement, EPDM Seal

Vendor:
STRAUB

Regular price $407.65 USD

Regular price Sale price $407.65 USD
Straub G20451-SI – Pipe Coupling, 1 Bolt, 232 PSI, 2" Pipe Sz

Straub G20451-SI – Pipe Coupling, 1 Bolt, 232 PSI, 2" Pipe Sz

Vendor:
STRAUB

Regular price $343.34 USD

Regular price Sale price $343.34 USD
Straub G20500-SI – 2-1/2 in 316 Stainless Steel Grip L Pipe Coupling, Axial Movement, EPDM Seal

Straub G20500-SI – 2-1/2 in 316 Stainless Steel Grip L Pipe Coupling, Axial Movement, EPDM Seal

Vendor:
STRAUB

Regular price $323.72 USD

Regular price Sale price $323.72 USD
Straub G20501-SI – Pipe Coupling, 2 Bolts, 2-1/2" Pipe Sz

Straub G20501-SI – Pipe Coupling, 2 Bolts, 2-1/2" Pipe Sz

Vendor:
STRAUB

Regular price $379.31 USD

Regular price Sale price $379.31 USD
Straub G20650-SI – 3 in 316 Stainless Steel Grip L Pipe Coupling, Polished Finish, EPDM Gasket, 232 PSI Max Pressure

Straub G20650-SI – 3 in 316 Stainless Steel Grip L Pipe Coupling, Polished Finish, EPDM Gasket, 232 PSI Max Pressure

Vendor:
STRAUB

Regular price $374.95 USD

Regular price Sale price $374.95 USD
Straub G20651-SI – Pipe Coupling, 3 in, 316 Stainless Steel, Polished, 2-Bolt, Axial Movement, Nitrile Seal, 232 PSI

Straub G20651-SI – Pipe Coupling, 3 in, 316 Stainless Steel, Polished, 2-Bolt, Axial Movement, Nitrile Seal, 232 PSI

Vendor:
STRAUB

Regular price $358.60 USD

Regular price Sale price $358.60 USD
Straub G20900-SI – 4 in 316 Stainless Steel Grip L Pipe Coupling, Polished Finish, Axial Movement, EPDM Seal

Straub G20900-SI – 4 in 316 Stainless Steel Grip L Pipe Coupling, Polished Finish, Axial Movement, EPDM Seal

Vendor:
STRAUB

Regular price $406.56 USD

Regular price Sale price $406.56 USD
Straub G20901-SI – 4 in 316 Stainless Steel Pipe Coupling, Axial Restraint, 232 PSI, Polished Finish

Straub G20901-SI – 4 in 316 Stainless Steel Pipe Coupling, Axial Restraint, 232 PSI, Polished Finish

Vendor:
STRAUB

Regular price $473.05 USD

Regular price Sale price $473.05 USD
Straub G21150-SI – 5 in 316 Stainless Steel Grip L Pipe Coupling, Polished Finish, Axial Movement, EPDM Seal

Straub G21150-SI – 5 in 316 Stainless Steel Grip L Pipe Coupling, Polished Finish, Axial Movement, EPDM Seal

Vendor:
STRAUB

Regular price $566.79 USD

Regular price Sale price $566.79 USD

1
2

Need help finding a replacement part?

Fill out the part request form and someone will get back to you shortly.

PART REQUEST FORM

Quick links

Terms of Service
Refund & Cancellation Policy
Privacy Policy
Shipping & LTL Freight Policy
Order Assistance
Gulf Coast Service Area
Government Procurement

Payment methods

© 2026, National Boiler Supply

Choosing a selection results in a full page refresh.
Opens in a new window.