Merrill's Product Catalog: Pitless Units, Kits, Adapters
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*NOTE: When ordering complete inside assembly, use order number for standard SP Pitless Unit (less V or WC) and add “CIA” to order number. Example: SP404CIA
WC Cap Cover
WC Cap Body Casting
Screened Air Vent
WC Cap Casing O-Ring
WC Cap Clamping Ring
Stainless Steel Adjusting Nut
Pull Coupling
Support Plate
Support Lock Nut
Galvanized Pull Pipe
Sealing Elbow
Discharge O-Ring
When ordering adjusting rod indicate model number and bury depth.
NOTE: 400 Series numbers are for 4" units
500 Series numbers are for 5" units
600 Series numbers are for 6" units
800 Series numbers are for 8" units
Part Description Part Number UPC Bar Code (Qty.1)
4" Units
WC Cap Cover 401 6 42367 00215 2
WC Cap Bolts (4) 402 6 42367 00216 9
WC Cap Top O-Ring OR249 6 42367 00217 6
WC Cap Body Casting 404 6 42367 00218 3
Screened Air Vent 405 6 42367 00219 0
WC Cap Casing O-Ring OR349 6 42367 00220 6
WC Cap Clamping Ring 407 6 42367 00221 3
Head Ring Bolts (4) 408 6 42367 00222 0
Stainless Steel Adjusting Nut 409 6 42367 00223 7
Pull Coupling 413 6 42367 00226 8
Support Plate 414 6 42367 00227 5
Support Lock Nut 415 6 42367 00229 9
Pull Pipe PRICE ON APPLICATION
Sealing Elbow * 412 6 42367 00224 4
Discharge O-Ring OR220 6 42367 00256 5
Adjusting Rod w/guide plates **    
5" Units
WC Cap Cover 501 6 42367 00315 9
WC Cap Bolts (4) 402 6 42367 00216 9
WC Cap Top O-Ring OR257 6 42367 00324 1
WC Cap Body Casting 504 6 42367 00327 2
Screened Air Vent 505 6 42367 00331 9
WC Cap Casing O-Ring OR433 6 42367 00334 0
WC Cap Clamping Ring 507 6 42367 00335 7
Head Ring Bolts (4) 408 6 42367 00222 0
Stainless Steel Adjusting Nut 409 6 42367 00223 7
Pull Coupling 413 6 42367 00226 8
Support Plate 514 6 42367 00343 2
Support Lock Nut 415 6 42367 00229 9
Pull Pipe PRICE ON APPLICATION
Sealing Elbow * 512 6 42367 00339 5
Discharge O-Ring OR220 6 42367 00256 5
Adjusting Rod w/guide plates **    
5" Units with 2" Drop & Discharge
WC Cap Cover 501 6 42367 00315 9
WC Cap Bolts (4) 402 6 42367 00216 9
WC Cap Top O-Ring OR257 6 42367 00324 1
WC Cap Body Casting 504 6 42367 00327 2
Screened Air Vent 505 6 42367 00331 9
WC Cap Casing O-Ring OR433 6 42367 00334 0
WC Cap Clamping Ring 507 6 42367 00335 7
Head Ring Bolts (4) 408 6 42367 00222 0
Stainless Steel Adjusting Nut 409 6 42367 00223 7
Pull Coupling 613 6 42367 00449 1
Support Plate 514X2 6 42367 05699 5
Support Lock Nut 615 6 42367 00454 5
Pull Pipe PRICE ON APPLICATION
Sealing Elbow * 512X2 6 42367 05683 4
Discharge O-Ring OR326 6 42367 00480 4
Adjusting Rod w/guide plates **    
6" Units
WC Cap Cover 601 6 42367 00437 8
WC Cap Bolts (4) 402 6 42367 00216 9
WC Cap Top O-Ring OR262 6 42367 00439 2
WC Cap Body Casting 604 6 42367 00440 8
Screened Air Vent 505 6 42367 00331 9
WC Cap Casing O-Ring OR439 6 42367 00442 2
WC Cap Clamping Ring 607 6 42367 00443 9
Head Ring Bolts (4) 408 6 42367 00222 0
Stainless Steel Adjusting Nut 409 6 42367 00223 7
Pull Coupling 613 6 42367 00449 1
Support Plate 614 6 42367 00451 4
Support Lock Nut 615 6 42367 00454 5
Pull Pipe PRICE ON APPLICATION
Sealing Elbow * 612 6 42367 00446 0
Discharge O-Ring OR326 6 42367 00480 4
Adjusting Rod w/guide plates **    
8" Units
WC Cap Cover 801 6 42367 00652 5
WC Cap Bolts (4) 802 6 42367 00653 2
WC Cap Top O-Ring OR270 6 42367 00654 9
WC Cap Body Casting 804 6 42367 00655 6
Screened Air Vent 805 6 42367 00656 3
WC Cap Casing O-Ring OR446 6 42367 00657 0
WC Cap Clamping Ring 807 6 42367 00658 7
Head Ring Bolts (4) 808 6 42367 00659 4
Stainless Steel Adjusting Nut 809 6 42367 00660 0
Pull Coupling 813 6 42367 00663 1
Support Plate 814 6 42367 00664 8
Support Lock Nut 815 6 42367 00676 1
Pull Pipe PRICE ON APPLICATION
Sealing Elbow * 812 6 42367 00661 7
Discharge O-Ring OR333 6 42367 00693 8
Adjusting Rod w/guide plates **    
* Sealing Elbows - Stainless Steel (8" Units - Cast Iron Elbow)
** When ordering Adjusting Rod and Unit Casing, indicate model number and bury depth
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