InSinkErator Water Heaters
Top-RatedFilters
InSinkErator HOT100 Instant Hot Water Dispenser
InSinkErator HC-WAVE Hot & Cold Water Dispenser
InSinkErator HOT200 Instant Hot Water System
InSinkErator HOT150 Instant Hot Water Dispenser
InSinkErator Water Heaters: full buyer's guide
InSinkErator instant hot water dispensers are point-of-use kitchen-sink hot water systems for coffee, tea, instant soup, and cooking applications. Different category from residential water heaters: these are 2/3 to 0.7 gallon tanks providing near-boiling temperature water (160-200°F) on demand at a dedicated kitchen sink faucet. InSinkErator is an Emerson brand best known for garbage disposals; the hot water dispenser line is a kitchen-system extension.
The InSinkErator instant hot water lineup
- HOT Dispensers — faucet + under-sink tank combo. HOT100 (entry), HOT150 (premium), HOT200 (largest)
- H770 Tank-Only — pair with separate dispenser faucet. H770
- HC Wave Hot+Cold — combined hot and chilled water dispenser. HC-Wave
This isn\'t a water heater — it\'s a dispenser
InSinkErator instant hot water dispensers are categorically different from residential water heaters:
- Capacity: 2/3 to 0.7 gallon (vs 40-80 gallon for residential)
- Temperature: 160-200°F (vs 120°F residential)
- Use case: small-volume hot water at a kitchen sink (coffee, tea, instant cooking)
- Application: supplement to whole-house water heater, not replacement
If you\'re looking for under-sink hot water for hand washing (warm temperature) rather than near-boiling for coffee, see Stiebel Mini tankless or Bosch Tronic 3000T mini-tank instead.
Which InSinkErator is right?
- Entry-level dispenser: HOT100 faucet + tank
- Premium chrome aesthetic: HOT150
- Largest capacity / fastest dispense: HOT200
- Already have a dispenser faucet: H770 tank-only
- Hot AND chilled water: HC Wave combo
Warranty
- 3 years on dispensers and tanks
- 1 year labor
Where to buy
- Home Depot, Lowe\'s, Amazon (primary channels)
- Plumbing supply
- insinkerator.com
Bottom line
InSinkErator instant hot water dispensers are kitchen-sink convenience appliances — not water heaters in the residential or commercial sense. HOT150 is the volume premium pick; HOT100 budget; HOT200 largest. For supplemental hot at fixtures other than the kitchen sink, look at mini-tank or point-of-use tankless (Stiebel Mini, Bosch Tronic, Reliance SOMS).