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 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 › WATTS

Collection: WATTS

Sort by:

818 products

Filter and sort Filter

Filter and sort

Filter

818 products

Sort by:

Remove all

818 products

Watts 1/2 LF3006 - Dielectric Straight, Steel, Thrd 1/2"

Watts 1/2 LF3006 - Dielectric Straight, Steel, Thrd 1/2"

Vendor:
WATTS

Regular price $31.77 USD

Regular price Sale price $31.77 USD
Watts 1/2 LF3008 - Dielectric Union, 1/2 In, FBPx Solder, 250psi

Watts 1/2 LF3008 - Dielectric Union, 1/2 In, FBPx Solder, 250psi

Vendor:
WATTS

Regular price $52.96 USD

Regular price Sale price $52.96 USD
Watts 1/2 LF53-75 - Pressure Relief Valve,Brass,75 psi

Watts 1/2 LF53-75 - Pressure Relief Valve,Brass,75 psi

Vendor:
WATTS

Regular price $231.07 USD

Regular price Sale price $231.07 USD
Watts 1/2 LF530-C - Adjustable Relief Valve,1/2 In,175 psi

Watts 1/2 LF530-C - Adjustable Relief Valve,1/2 In,175 psi

Vendor:
WATTS

Regular price $144.19 USD

Regular price Sale price $144.19 USD
Watts 1/2 LF70A-F - Mixing Valve,Lead Free Brass

Watts 1/2 LF70A-F - Mixing Valve,Lead Free Brass

Vendor:
WATTS

Regular price $203.22 USD

Regular price Sale price $203.22 USD
Watts 1/2 LF800M4-QT - Backflow Preventer,Size 1/2",150 psi

Watts 1/2 LF800M4-QT - Backflow Preventer,Size 1/2",150 psi

Vendor:
WATTS

Regular price $580.96 USD

Regular price Sale price $580.96 USD
Watts 1/2 LFMMVM1-PEX - Mixing Valve,Brass,20 gpm At 125 psi

Watts 1/2 LFMMVM1-PEX - Mixing Valve,Brass,20 gpm At 125 psi

Vendor:
WATTS

Regular price $344.43 USD

Regular price Sale price $344.43 USD
Watts 1/2 LFMMVM1-UT-PRESS - Mixing Valve,0.5 to 12 gpm,1/2" Inlet Sz

Watts 1/2 LFMMVM1-UT-PRESS - Mixing Valve,0.5 to 12 gpm,1/2" Inlet Sz

Vendor:
WATTS

Regular price $428.36 USD

Regular price Sale price $428.36 USD
Watts 1/2 LFN45BM1-PRESS - Water Pressure Reducing Valve,1/2in Size

Watts 1/2 LFN45BM1-PRESS - Water Pressure Reducing Valve,1/2in Size

Vendor:
WATTS

Regular price $294.29 USD

Regular price Sale price $294.29 USD
Watts 1/2 LFN9-C - Backflow Preventer,Size 1/2",125 psi

Watts 1/2 LFN9-C - Backflow Preventer,Size 1/2",125 psi

Vendor:
WATTS

Regular price $535.18 USD

Regular price Sale price $535.18 USD
Watts 1/2 LFU5B-LP-Z3 - Water Pressure Reducing Valve,30 psi

Watts 1/2 LFU5B-LP-Z3 - Water Pressure Reducing Valve,30 psi

Vendor:
WATTS

Regular price $529.73 USD

Regular price Sale price $529.73 USD
Watts 1/2 SS 263A E 100 300 - Pressure Regulator,1/2 In,100 to 300 psi

Watts 1/2 SS 263A E 100 300 - Pressure Regulator,1/2 In,100 to 300 psi

Vendor:
WATTS

Regular price $1,063.83 USD

Regular price Sale price $1,063.83 USD
Watts 1/2 SS009M3QT - Reduced Pressure Zone Backflow Preventer

Watts 1/2 SS009M3QT - Reduced Pressure Zone Backflow Preventer

Vendor:
WATTS

Regular price $2,981.14 USD

Regular price Sale price $2,981.14 USD
Watts 1/2 SS263AP-M1-A-C 10-125PSI - Pressure Regulator,1/2 In,10 to 125 psi

Watts 1/2 SS263AP-M1-A-C 10-125PSI - Pressure Regulator,1/2 In,10 to 125 psi

Vendor:
WATTS

Regular price $871.99 USD

Regular price Sale price $871.99 USD
Watts 1/2 SS263AP-M1-AB 3-50 PSI - Pressure Regulator,1/2 In,3 to 50 psi

Watts 1/2 SS263AP-M1-AB 3-50 PSI - Pressure Regulator,1/2 In,3 to 50 psi

Vendor:
WATTS

Regular price $1,095.44 USD

Regular price Sale price $1,095.44 USD
Watts 1/2"" - Series U5B Commercial High-Pressure Reducing Valve, 1/2"

Watts 1/2"" - Series U5B Commercial High-Pressure Reducing Valve, 1/2"

Vendor:
Watts

Regular price $983.64 USD

Regular price Sale price $983.64 USD

1
…
14
15
16
17
18
…
52

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.