Guenther Supply Inc. provides a full menu of plumbing and heating supplies in the commercial and industrial manufacturing markets. Manufacturers that we stock and distribute include, but not limited to, Watson McDaniel, Watts Water Technologies, Bell and Gossett, Taco and McDonnell and Miller. From relief valves to steam traps, let our inventory and product knowledge assist you in finding the right material for your project. For more details about this product group and manufacturers, please contact us directly.

Watson McDaniel

  • Inverted Bucket Steam Traps
  • Float and Thermostatic Steam Traps
  • Thermodynamic Steam Traps
  • Steam Trap Repair Kits
  • Pilot Operated Regulators
  • Self-Contained Regulators
  • Condensate Pumps

Watts Water Technologies

  • Backflow Preventers
  • Backflow Preventer Repair Kits
  • Vacuum Breakers
  • Water Regulators
  • Automatic Control Valves
  • Relief Valves
  • Bronze Wye Strainers
  • Roof Drains
  • Floor Drains
  • Cleanouts
  • Carriers

Bell and Gossett

  • Circulating Pumps
  • Pump Repair Parts
  • Vacuum Breakers
  • Reducing Valves
  • Air Vents
  • Circuit Setters


  • Circulating Pumps
  • Pump Flange Sets
  • Pump Repair Parts
  • Vacuum Breakers
  • Air Vents
  • Circuit Setters

McDonnell and Miller

  • Liquid Flow Switches
  • Low Water Cut-Offs
  • Makeup Water Feeders

Little Giant

  • Sump Pumps
  • Sewage Ejectors
  • Float Switches

Miscellaneous Products

  • Plain Test Plugs
  • Inflatable Test Plugs
  • Water Filters
  • Rubber Flex Couplings
  • No Hub Couplings
  • Rubber Test Cap
  • Link Seals
  • Roof Flashings
  • Hydronic Expansion Tanks
  • Sight Gauges
  • Emergency Shower and Eye Wash