Service Capabilities

At STH Inc., we pride ourselves on delivering comprehensive pump solutions tailored to your needs. Our team of factory-certified technicians, dedicated service coordinators, and knowledgeable support staff are committed to ensuring optimal performance and reliability across all your pumping systems.

Comprehensive Services

Vertical Inline Fire Pump
Fire Pumps & Controllers
  • Repacking and repairs
  • Controller and transfer switch diagnostics
  • Motor replacement and repair
  • Flow management and failed pump analysis
  • Main relief valve repair
  • Water savings assessments
  • Preventative maintenance programs
  • Coupling replacement
Domestic Water Boosters
  • Pressure-reducing valve (PRV) rebuilds
  • Variable frequency drive (VFD) conversions
  • Hydro Tank bladder and full tank replacements
  • Control sequencing and troubleshooting
  • Mechanical seal, motor, and pump replacements
  • Preventative maintenance programs
HVAC Pumps
  • Pump and motor repairs or replacements
  • Mechanical seal and bearing replacements
  • Preventative maintenance programs
Water Filtration Systems
  • Point-of-entry and point-of-use systems
  • Cooling tower full flow, side stream, and sweeper systems
  • Legionella prevention strategies
  • Preventative maintenance programs
Sump, Sewage & Septic Systems
  • Pump and controller troubleshooting
  • Pump-down testing and analysis
  • Preventative maintenance programs
Laser Alignment

Laser Alignment

Precision alignment services for all pump types

Emergency Services

Emergency Services

Stock and rental pumps available for immediate needs

Water Usage Analysis & Energy Audits

Water Usage Analysis & Energy Audits

Comprehensive assessments for domestic water boosters, stormwater systems, and overall pump energy efficiency

Testing Rental Pump
Rental Pump Program

Minimize downtime with our versatile rental pump solutions:

Specifications

Available in 208- or 460-Volt configurations, delivering up to 120 GPM flow and 170 PSI pressure boost.

STH Services Include
  • Delivery and setup
  • Wiring of VFD controller using existing booster electrical feed
  • Programming VFD to match building requirements
  • Startup and commissioning
  • Deactivation and removal post-use
Client Responsibilities
  • Installation and integration into existing systems
  • Ensuring proper water quality to prevent mechanical seal failures
  • Removal of temporary pump and associated pipings
Note: Clients are responsible for any damages to rental components.