What's the difference between heater and heaver?

Heater

Definition:

(n.) One who, or that which, heats.
(n.) Any contrivance or implement, as a furnace, stove, or other heated body or vessel, etc., used to impart heat to something, or to contain something to be heated.

Example Sentences:

(1) These differences became much distinguished in non-smoking group and people not using unvented heater.
(2) Miranda Hart as Chummy Brown in Call the Midwife By now, we are huddled around a heater.
(3) One hundred and twenty patients presenting with major peptic ulcer haemorrhage were randomised in a clinical trial comparing endoscopic injection and heater probe therapy.
(4) A double-contrast upper gastrointestinal examination on a woman who had undergone endoscopic heater probe therapy one day earlier for multiple arteriovenous malformations revealed shallow, irregular, and linear ulcers at the sites of heater probe coagulation.
(5) His pioneering efforts helped propel Barbados to a leader in solar water heater use in the western hemisphere.
(6) Multiple shallow ulcers may therefore develop as a direct complication of heater probe therapy.
(7) A study was performed to investigate whether measurements of the evaporation rate from the skin of newborn infants by the gradient method are affected by the presence of non-ionizing radiation from phototherapy equipment or a radiant heater.
(8) New water heaters could be preset at this temperature and families could be taught to turn down the temperature on existing units.
(9) The specimen is placed in furnace of microscope, and rised temperature by W heater.
(10) A Freedom of Information request made to Defra reveals that although the UK is unable to ban patio heaters unilaterally they’re being considered for a shortlist of products that could be banned under the Ecodesign for Energy-Related Products Directive.
(11) During a one-day access to an operant heater, or a one-day period of unrestricted feeding, CP increased Tre and locomotor activity to values observed in OP.
(12) This system consists of a gas-operated diaphragm pump, demand controller, liquid regenerator with heater and gas scrubber, and ancillary equipment.
(13) The electric and magnetic field strengths in the vicinity of the operators of 101 heaters were surveyed.
(14) 2, 72 sows were randomly assigned to farrowing crates with four supplemental heat treatments: 1) one lateral 250-watt heater; 2) one lateral heater plus a 250-watt heater behind the sow during farrowing; 3) a hover with 100-watt light bulb; and 4) a hover with light bulb plus heater behind the sow during farrowing.
(15) The rebleeding rate in laser-treated patients (20%) was significantly less than in controls (42%; p less than 0.05), but in heater probe-treated patients (28%) it was not significantly different from either of the other two groups.
(16) In contrast, heater probe and bipolar electrocoagulation did not produce tissue erosion at any instrument setting.
(17) The problem of continuous-flow water heaters regarding their effects on the colonisation of water by microbes proves not to be significant.
(18) There’s a lot of them.” Other people on the waiting list for new homes – wooden bungalows or trailers – are what she calls “burn downs”, whose homes were destroyed by fire from candles, kerosene heaters or pot belly stoves.
(19) The Caridex delivery system includes a pump, a heater, a solution reservoir and a handpiece to hold the applicator tip.
(20) The spaces between the heaters and porous product-surfaces were simulated as semi porous channels, with mass-injection into the channels from the sublimation of ice.