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Hubbell Model STWH

Hubbell Model STWH

When you specify and install a Hubbell water heater, you will be provided with a quality product that is a long lasting and trouble-free source for hot water.

Instantaneous Steam Fired TEPID Water Heater

  • Self-operating controllers requires no electricity
  • Direct to pipe mount
  • Retro fit to existing safety stations

Hubbell Model STWH – Standard Pressure Steam (40-60 PSI)
Hubbell Model STWH-L -Low Pressure Steam (15-30 PSIG)


  • Plant steam and water never mix
  • Standard pressure unit available for 45-60 PSIG steam pressure & low- pressure unit available for 15-30 PSIG steam pressure
  • Durable hi-visibility enclosure can be readily removed for service
  • Conforms to OSHA and ANSI recommendations
  • ASSE 1071 compliant mixing valve
  • Suitable for explosion-proof environments or outdoor installations


  • No electricity required
  • Provides 3-25 GPM of 80°F water
  • Easy to retrofit on existing shower or combination shower/eyewash stations
  • Maintains constant 80°F output regardless of inlet water temperature (between 40°F and 80°F)
  • No insulated tanks or expensive recirculation systems required. No condensate trap required
  • Self-purging; no need for elaborate drainage system

The Hubbell STWH Steam Fired Tepid Water Heater provides an instant point-of-use and reliable source of tepid water for safety shower and combination face/eyewash stations using a facility’s existing steam and water supplies.



Throughout the world, on land and on sea, Hubbell water heaters provide hot water for nearly every application imaginable. We’ve spent the better part of a century not simply perfecting a few models, but perfecting thousands of solutions that have made our products a mainstay for a multitude of commercial, industrial, marine and naval applications. Our reputation for carefully engineered, long-lasting equipment is one we intend to keep. As a third-generation, family-owned business, it’s personal. Today, Hubbell water heaters are still made on American soil and almost exclusively in New England where we first began in 1920. Our heritage is part of our success, even as we continue to adapt in order to stay ahead of the latest industry trends. After 100 years, we still embrace each new challenge as an opportunity to grow.

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Manufacturers by Sales & Service Region

Delval represents many manufacturers, including Cleaver-Brooks, the world's largest manufacturer of packaged boilers.
Full list of manufacturers we represent by Sales & Service Region are as below:

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