AQUARIUM HEATERS 
Heaters without Thermostats will not operate automatically; 
for safety and economy, we suggest that a Thermostat and 
Pilot Light be used in conjunction with any of the heaters 
listed below except the Chill Breaker. All heaters are fully 
guaranteed for a period of one year by the manufacturer 
except against glass breakage. 
601—Chill Breaker—A combination chill breaker heater, 
and aquarium light to heat and illuminate small tanks and 
bowls from 1 to 3 gallons. 6 watt bulb, low in operation 
cost. Comes with aluminum foil shade (not shown in pic- 
ture) to control amount of light. Six inch glass tube; metal 
hanger. Price $1.65 
602—Barrus Submergible Heater—This type heater may be 
completely submerged and placed on the bottom of the 
aquarium. Absolutely water proof; sealed with live rubber; 
heavy duty waterproof cord 36 inches long allows heater 
to lie in horizontal position on bottom of aquarium where 
the water is the coldest to give all over heat distribution 
602 A— 6 inch Pyrex tube, 12%-25 watt .. $2.50 
602 B— 8 inch Pyrex tube, 50-75-100 watt........ on PCA 
602 C—10 inch Pyrex tube, 125-150 watts 0.0. . 3.00 
602 D—12 inch Pyrex tube, 250 watts occ 3050 
603—Submergible Pencil Heaters — Completely submerg- 
ible, new slim shape makes it easily concealed in the 
aquarium. Well made to giye long service, provide uni- 
form heat. One year guarantee. 
603 A— 8” tube, 25 watts........... ras : $2.65 
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603'C— 10" tile pemeON WialtS! ier cecrctatsacocenen conan PS 
603 D—12" tube, 100 watts................. ee a Hohn PES 
603 E—16" tube, 125 Watts... ee ie ren 00 
603 F—16" tube, 150 watts............ i ty) 
603 G—16” tube, 200 waitts................ eee oath Pecan o600 
604—Wil-Nes Pyrex Tube Non-Submergible Heater—Saife 
dependable heat, “safety sealed’’ in Pyrex glass tube with 
4-foot lead cord and wire hanger. Highest quality chromel 
metal heating element, built for long lasting aquarium heat- 
ing service. Guaranteed for one year. SPECIFY WATTAGE 
WHEN ORDERING. 
%e"'x7"' Pyrex Tube—10, 15, 25, 50, 75, 100 watts— 
$2.00 each 
606—Heating Elements—To replace worn out heating units 
in glass tube heaters. Ready to attach to cord, easily as- 
sembled. SPECIFY WATTAGE WHEN ORDERING. 
10, 20, 30, 40, 50 watts ...... un. each 85¢ 
100 watts ... each 50c 
60) 602 603 - 604 
607—Heater Sealing Compound—To re-seal heaters of the 
non-submergible type. Enough sealing compound in can 
to repair two heaters. Does not dry out, unused portion 
will keep indefinitely. Per Can 15c 
600—Metal Heater Clamp—For heaters or thermostats— 
non-corrosive, light weight metal, easily bent to fit any 
aquarium frame. Price 35¢ 
THERMOSTATS 
A thermostat will not heat the water. A thermostat is an 
electrically controlled automatic switch that will turn the 
aquarium heater on or off at whatever temperature it is set 
for, thus maintaining a constant water temperature. These 
thermostats we have listed are all precision instruments, 
laboratory tested, accurate within two degrees. All thermo- 
stats are guaranteed by the manufacturer. 
650—Short Simplex Thermostat—6'’ Tube—built-in radio 
and TV static and interference eliminator. 44% foot lead 
cord and three way plug for pilot light or heaters in com- 
bination up to 300 watts. Thermostat has easily set, inside 
adjustment screw type control. Metal clip for fastening to 
side of aquarium. Price $3.30 
(Pilot light, if desired, 35c extra) 
65l1—Long Simplex Thermostats —(Not Illustrated) Same 
thermostat as described in No. 650 with the exception that 
it is intended to be used in deeper aquariums—aquariums 
over 10 inches deep. 8-inch tube. Price $4.00 
(Pilot light, if desired, 35c extra) 
652—Duplex Thermostat—Designed for safety—two sep- 
arate thermostats so arranged that if the one fails to shut 
off or turn on heater the other one will. Both units are 
adjustable—This added safety factor is all important to 
breeders or to aquarists who keep their fish in rooms with 
widely fluctuating temperatures. Built in radio and TV 
interference eliminator, 44% foot lead cord, 2 way plug 
for heaters in combination to 300 watts and a pilot light. 
Two year guarantee. Price $6.25 
(Pilot light, if desired, 35c extra) 
653—Outside Adjustment Thermostat—500 watt capacity— 
outside adjustment control knob permits easy accurate 
temperature regulation. Fine silver contact points assure 
long dependable service. 8 inch tube, metal hanger, 4¥2 
foot lead cord, 2 way plug for heaters and pilot light. Two 
year guarantee. Price $5.65 
(Pilot light, if desired, 35c extra) 
654—Calstat Calibrated Thermostat—Calibrated outside ad- 
justment—easily read calibrations simplify setting of ther- 
mostat—thermomeier at bottom of unit makes two precision 
instruments for the price of one. Built in interference elim- 
inator, Pyrex glass tube, 500 watt capacity, guaranteed for 
two years. Price $5.50 
657—Pilot Light Bulb and Socket—Removable bulb and plug 
in socket, a longer lasting unit. Price 35c¢ 
658—Es-Es Thermostat —5 inch 
tube — 250 watt capacity. The 
unique snap action of this Brit- 
ish made thermostat eliminates 
troublesome radio and TV static 
interference. Compact in size, 
dependable and accurate. $4.75 
(Pilot light, 1f desired, 35c extra) 
605—Es-Es Submergible Heaters 
—For the extreme in tidy, com- 
pact, completely submergible 
aquarium heaters these top 
quality British made units are 
supreme. Completely reliable, 
miniature in size, giants in per- 
formance. 
25, 50, 75, 100, 150 watts— 
(specify wattage)..........each $2.75 658 605 
LOVELAND GOLDFISH FARM AND AQUATIC NURSERIES —LOVELAND, OHIO 23 
