Preventative Maintenance Program

Since 1973, STH has been the trusted partner for Booster, Fire, Sump, and Sewage pump solutions throughout Maryland, Washington D.C., and Northern Virginia. Today, we proudly manage over 1,800 Preventative Maintenance (PM) Agreements, supporting property managers and building owners with reliable, factory-certified service.

Why Preventative Maintenance Matters

Routine maintenance—performed annually, bi-annually, quarterly, or monthly—can dramatically reduce costly downtime and unplanned emergency repairs. With STH’s Customer Service PM Program, you benefit from:

All maintenance is performed by factory-trained and certified technicians, ensuring your systems operate at peak performance year-round.

Reduced labor rates for PM visits

Reduced labor rates for PM visits

ChatGPT Image Oct 1, 2025, 12_11_35 AM

Priority scheduling and after-hours emergency access

48-hour turnaround on repair quotes

48-hour turnaround on repair quotes

Laser Alignment

Automatic service scheduling and renewals

ChatGPT Image Sep 28, 2025, 06_34_37 PM

Multi-visit and multi-system discounts

Cross-trained sales and service teams

Support for all pump makes, models, and controllers

Rapid response times and expert problem-solving

Early problem detection to avoid major system failures

Experience

Extended equipment life through regular expert care

PM Service Coverage by System Type

Booster Pumps
Booster Pumps
  • VFD Booster Pumps
  • Simplex, Duplex, Triplex, and Quadruplex PRV Systems
Fire Pumps
  • Diesel Fire Pump Full Service
  • Standard Fire Pump Service
Sump & Sewage Systems
  • Commercial & Industrial Sump / Grinder Pumps
HVAC Pumps & Building PRVs
  • Complete inspection and maintenance for PRV and HVAC pump systems
Rainwater Harvesting Systems
  • Water Use Reduction
  • Water Efficient Landscaping
  • Innovative Wastewater Technology
  • Stormwater Design: Quality Control
  • Stormwater Design: Quantity Control
  • Innovation in Design

Ready to Get Started?

Become a part of our Preventative Maintenance Program and take the guesswork out of pump maintenance. Let STH help extend the life of your equipment, improve system efficiency, and reduce costly disruptions.

Need assistance?

Contact us at (800) 233-7718 or email preventativemaintenance@sthinc.com

Technician