SP Pitless Units
Protect your precious water supply with a Merrill Pitless Unit.
Merrill SP Pitless Units have a variety of features- Complete Pitless Units - Casing, Outlet, Pull Pipe, Caps
- Full Diameter Access In Well - No obstruction, recessed stainless steel sealing surface or discharge
- Corrosion Protection - Stainless steel elbow*, galvanized pipe, stainless steel adjusting nut, painted casing
- Support Plate - Ecess weight held by support plate to take stress off the internal parts
- Ground Screw Included - For the electrical pump cable
*Cast Iron Elbow for 8" Unit
More Information
- Example of Certified Watertight Pitless Units & Caps
Tested and approved by Pitless Adapter Standard PAS-1, PAS-2, PAS-97(2019), ASSE Standard #1093-2019 and Illinois Code. Approved by all stringent state well codes. - Example of 100% Pressure Test of All Units*
at factory to insure seal to discharge plus parts are pinned in place. Guarantees pitless unit lines up and seals when servicing well. - Example of Positive Mechanical Seal*
By simply turning the stainless steel adjusting nut at the top of the well. Custom wrench available from the factory. Easy to work on and will not rust! - Example of Full Diameter Access to Well
No obstructions that may need to be removed before working on well, common to pitless adapters. Eliminates extra work when re-working or re-drilling well. - Example of Recessed Sealing Surface*
in discharge outlet to insure an undamaged sealing surface when pump is pulled or well is re-worked. Pitless units by OTHER companies do not have a protected sealing surface and use carbon steel or gray iron which corrodes and deteriorates. Merrill uses stainless steel. Recessed out of well so it can not be damaged and is made of quality material. - Example of Stainless Steel Discharge and Stainless Steel Elbow*
(CAST IRON ELBOW on 8" UNIT) to insure a long life, and easy disengaging for future work on pump or well. Outside of pitless casing is painted, not standard with other companies. Long service life, easy service for years to come. - Example of One-Standard O-Ring
to assure a safe and simple installation, and easy servicing. Can be found in most local areas. - Example of Male Thread, Plain End, or Compression*
available on end of pitless casing for connection to well- making for an easy connection to well casing for all installations. - Example of Support Plate Holds Weight*
Minimize danger of losing pump or pipe down well. - Example of Cable Slot in Support Plate
allows you to install and service pump without a splice in submersible cable. BENEFIT: Splice in cable could be eliminated. - Example of Ground Screw in Support Plate*
provides a simple and easily accessible connection for the electrical ground of the pump cable. BENEFIT: Easy connection for ground wire. - Example of Simple Disengagement for Service*
By simply turning the stainless steel adjusting nut, the entire water system outside the well can be drained WITHOUT pulling the pump (impossible with other pitless units).
* - Excluisive Merrill Quality Features
** - Length of internal parts are bury depths plus 12 inches for well codes. 4ft Bury is approx. 5.5 ft. long.