Skip to content

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

📦 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 › cpi

Collection: cpi

Sort by:

13 products

Filter and sort Filter

Filter and sort

Filter

13 products

Sort by:

Remove all

13 products

Cpi B7151-516 - Waterproof Switch, SPST, Black

Cpi B7151-516 - Waterproof Switch, SPST, Black

Vendor:
Cpi

Regular price $38.58 USD

Regular price Sale price $38.58 USD
Cpi D1021-540 - Waterproof Switch, SPDT, Black

Cpi D1021-540 - Waterproof Switch, SPDT, Black

Vendor:
Cpi

Regular price $63.75 USD

Regular price Sale price $63.75 USD
Cpi E1092-555 - Water Proof Limit Switch, Leaf, Lever, SPDT, 5 A at 120 V AC, Actuator Location: Top

Cpi E1092-555 - Water Proof Limit Switch, Leaf, Lever, SPDT, 5 A at 120 V AC, Actuator Location: Top

Vendor:
Cpi

Regular price $68.01 USD

Regular price Sale price $68.01 USD
Cpi E1117-553 - Water Proof Limit Switch, Lever, Roller, SPDT, 5 A at 120 V AC, Actuator Location: Top

Cpi E1117-553 - Water Proof Limit Switch, Lever, Roller, SPDT, 5 A at 120 V AC, Actuator Location: Top

Vendor:
Cpi

Regular price $81.30 USD

Regular price Sale price $81.30 USD
Cpi E1134-505 - Water Proof Limit Switch, Lever, Roller, SPDT, 5 A at 120 V AC, Actuator Location: Top

Cpi E1134-505 - Water Proof Limit Switch, Lever, Roller, SPDT, 5 A at 120 V AC, Actuator Location: Top

Vendor:
Cpi

Regular price $85.51 USD

Regular price Sale price $85.51 USD
Cpi E1264-503 - Water Proof Limit Switch, Leaf, Lever, SPDT, 5 A at 120 V AC, Actuator Location: Top

Cpi E1264-503 - Water Proof Limit Switch, Leaf, Lever, SPDT, 5 A at 120 V AC, Actuator Location: Top

Vendor:
Cpi

Regular price $91.11 USD

Regular price Sale price $91.11 USD
Cpi HS001-501 - Rocker Switch Housing,Thermoplastic,Black

Cpi HS001-501 - Rocker Switch Housing,Thermoplastic,Black

Vendor:
Cpi

Regular price $31.05 USD

Regular price Sale price $31.05 USD
Cpi HS002-502 - Rocker Switch Housing,Thermoplastic,Gray

Cpi HS002-502 - Rocker Switch Housing,Thermoplastic,Gray

Vendor:
Cpi

Regular price $35.81 USD

Regular price Sale price $35.81 USD
Cpi J4001-522 - Water Proof Limit Switch, Plunger, Roller, 1 NO, Not Rated AC, Actuator Location: Top

Cpi J4001-522 - Water Proof Limit Switch, Plunger, Roller, 1 NO, Not Rated AC, Actuator Location: Top

Vendor:
Cpi

Regular price $108.66 USD

Regular price Sale price $108.66 USD
Cpi J4002-518 - Water Proof Limit Switch, Plunger, Roller, 1 NC, Not Rated AC, Actuator Location: Top

Cpi J4002-518 - Water Proof Limit Switch, Plunger, Roller, 1 NC, Not Rated AC, Actuator Location: Top

Vendor:
Cpi

Regular price $126.43 USD

Regular price Sale price $126.43 USD
Cpi J4401-517 - Water Proof Limit Switch, Plunger, Roller, 1 NO, Not Rated AC, Actuator Location: Top

Cpi J4401-517 - Water Proof Limit Switch, Plunger, Roller, 1 NO, Not Rated AC, Actuator Location: Top

Vendor:
Cpi

Regular price $658.35 USD

Regular price Sale price $658.35 USD
Cpi K1005-509 - Waterproof Switch, SPST, Black

Cpi K1005-509 - Waterproof Switch, SPST, Black

Vendor:
Cpi

Regular price $136.24 USD

Regular price Sale price $136.24 USD
Cpi K1006-503 - Miniature Snap Action Switch, Lever Actuator, 1 NO, 5 A at 120 V AC Contact Rating

Cpi K1006-503 - Miniature Snap Action Switch, Lever Actuator, 1 NO, 5 A at 120 V AC Contact Rating

Vendor:
Cpi

Regular price $136.24 USD

Regular price Sale price $136.24 USD

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.