
Ensto Control Oy Toggle Switches and Rotary Switches
When switched OFF, one electrical pole may remain energized, posing a risk of electrical shock hazard to consumers.
- Electric shock
- About 19,000 units
- 13 reports
Recalls involving residential heating and cooling equipment, air conditioners, heat pumps, furnaces, boilers, and water heaters.

When switched OFF, one electrical pole may remain energized, posing a risk of electrical shock hazard to consumers.

The gas connectors can leak propane or natural gas, posing a fire and explosion hazard to consumers.

The ignition control module can fail preventing the unit from shutting down in high temperature conditions. This poses a risk of fire, as well as hazardous fumes being released from burning/melting insulation.
A gasket in the unit can fail, posing a risk of poisonous carbon monoxide gas leaking into the home.

Wires in the heater element can overheat and spark, posing a smoke and fire hazard to consumers.

An electric heater in the unit can break, posing a fire hazard to consumers.

Water used in the humidifier can leak into the unit's electrical compartment, posing a fire hazard.

Honeywell International
The activation knob on the valve can be left in a position between OFF and PILOT, which can cause the pilot gas to leak and accumulate prior to burner ignition. This can pose the risk of thermal burns to consumers when they light the pilot of the fireplace or stove.
If the fan stops working and the heater continues to run, the unit can overheat, posing a fire hazard.

Junction Boxes Used with
Wiring connections within the junction box can become loose, posing an overheating and fire hazard.

Electrical arcing inside the collection cells can cause the collection cell material to overheat or ignite, posing a fire hazard.

Rehvac Manufacturing
The safety relief plug can allow pressure to build in the cylinder of an HVAC pressure testing tool or Nitrous Oxide system. If the cylinder is overfilled and overheated, it can burst, posing an injury hazard to consumers.