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Shop Products
Shop by Category
Frost Proof Yard Hydrants (12 Models)
Pitless Units, Kits, Adapters
Well Caps & Well Seals
Tank Floats & Air Volume Controls
Air Valves & Float Valves
Tank Tees and Manifolds
Pressure Relief Valves & Tank Accessories
Pressure Switches & Pressure Gauges
Splice Kits, Lightning Arrestors
Torque Arrestors, Cable Guards
Safety Rope & Drilling Lubricants
Pipe Couplings
Well Points, Pump Rod, Cup Leathers
Sediment Filters
Curb Stops & Ball Valves
Insert Fittings & Clamps
Frost Proof Wall Faucets
Check & Foot Valves
Shop All

Shop by Industry
Irrigation, Agriculture, and Livestock
Industrial & Commercial
Water Well
Plumbing Professionals
HVAC
Shop All
Resources
Library
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Helpful Videos

Explore
About Merrill
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Careers
Yard Hydrant Selector
Pick Your Pitless
Find a Distributor
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Merrill Manufacturing Company

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Frost Proof Yard Hydrants

Pitless Units, Kits, Adapters

Well Caps, Well Seals

Floats, Air Volume Controls

Tank Tees and Manifolds

Switches & Gauges

Splice Kits,Torque Arrestors, Couplings

Well Points, Pump Rod, Cup Leathers

Insert Fittings & Clamps

Frost Proof Wall Faucets

Check & Foot Valves

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Looking for Spare Parts?
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Industrial & Commercial

Water Well

Plumbing Professionals

Irrigation & Agriculture

HVAC

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Well Caps

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12" Aluminum Well Cap with Conduit Tapping – Durable and Lightweight

12" Aluminum Well Cap with Conduit Tapping – Durable and Lightweight

No Reviews

12" Aluminum Well Cap with Conduit Tapping – Durable and Lightweight

SKU WCH1200

Starting at $300.00

WCP Series Sanitary Watertight Cap – Aluminum Top, PVC Bottom

WCP Series Sanitary Watertight Cap – Aluminum Top, PVC Bottom

WCP Series Sanitary Watertight Cap – Aluminum Top, PVC Bottom

SKU WCP500

Starting at $33.20

WC Series Sanitary Watertight Caps – Durable Well Casing Cap

WC Series Sanitary Watertight Caps – Durable Well Casing Cap

WC Series Sanitary Watertight Caps – Durable Well Casing Cap

SKU WC400

Starting at $160.00

WCOP Series Sanitary Aluminum Top Watertight Well Cap with Conduit Tapping and Vent and Optional Ground Lug– PVC Base

WCOP Series Sanitary Aluminum Top Watertight Well Cap with Conduit Tapping and Vent and Optional Ground Lug– PVC Base

No Reviews

WCOP Series Sanitary Aluminum Top Watertight Well Cap with Conduit Tapping and Vent and Optional Ground Lug– PVC Base

SKU WCOP400

Starting at $46.50

WCOPP Series Sanitary Watertight Cap with 3 or 4 Bolt Holes – UV Resistant Molded Plastic

WCOPP Series Sanitary Watertight Cap with 3 or 4 Bolt Holes – UV Resistant Molded Plastic

WCOPP Series Sanitary Watertight Cap with 3 or 4 Bolt Holes – UV Resistant Molded Plastic

SKU WCOP404P

Starting at $34.50

WCB Series Sanitary Watertight Cap with Conduit Tapping and Vent – Secure Well Cap Solution

WCB Series Sanitary Watertight Cap with Conduit Tapping and Vent – Secure Well Cap Solution

No Reviews

WCB Series Sanitary Watertight Cap with Conduit Tapping and Vent – Secure Well Cap Solution

SKU WCB400

Starting at $140.00

WCBG Series Sanitary Watertight Cap – Conduit Tapping, Vent, Optional Ground Screw

WCBG Series Sanitary Watertight Cap – Conduit Tapping, Vent, Optional Ground Screw

No Reviews

WCBG Series Sanitary Watertight Cap – Conduit Tapping, Vent, Optional Ground Screw

SKU WCBG500

Starting at $272.00

WCI Series Sanitary Watertight Cap with Conduit Tapping and Vent

WCI Series Sanitary Watertight Cap with Conduit Tapping and Vent

No Reviews

WCI Series Sanitary Watertight Cap with Conduit Tapping and Vent

SKU WCI6

Starting at $146.00

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WCO Series Sanitary Watertight Aluminum Caps

WCO Series Sanitary Watertight Aluminum Caps

No Reviews

WCO Series Sanitary Watertight Aluminum Caps

SKU WCOC400

Starting at $86.00

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