7 Table 1 VP2 VALVE FLOW RATES Gallons Per Minute PSI VP226 VP24 - 1/8” (.125) Orifice VP221 VP26 - 1/4” (.25) Orifice 25 1.1 4.2 40 1.3 7.5 60 1.6 9.2 80 1.9 9.7 ELECTRIC HEATING UNIT OPERATION Model 77 heater carries an 18 month non prorated warranty. Heaters will be repaired or replaced at no charge during the warranty period provided they have been registered by sending the card which accompanies each waterer to the manufacturer. If you like, call our sales and service desk at 800-553-1791 to discuss your situation. We may ask you to either return a defective heater or to field destroy it. Alternatively, return the heater in question with an explanatory note. If the heater is returned and shows signs of abuse, it will be repaired or replaced at the customer’s expense. The manufacturer reserves the right to either repair a unit or replace it with a new unit. When the warranty period has expired or if a unit is returned that has not been registered for warranty, it will be repaired or replaced and the customer charged accordingly. All other parts (including valve, float and valve parts) of our heated waterers are also covered by an 18 month warranty from the date of purchase for defects due to materials and workmanship. Return any components to: 609 Main Street, P.O. Box 2000, Houghton, Iowa 52631. USA. WARRANTY ELECTRICALLY HEATED WATERERS AND ENERGY USE Our waterers are insulated with polyurethane foam with an R value of 7.14 per inch. Our foam contains no formaldehyde and is not attractive as a food source to vermin. Here is a check list of items to consider in the management of your waterer with regard to energy use 1. Inspect condition of wiring and insulation before each heating season. 2. Check waterers daily for cleanliness and proper operation of the water valve and heater. 3. In warm seasons, make sure excess condenstion is not forming inside the lower cabinet of the waterer which can contribute to the deterioration of insulation and the heater. 4. Counter the effects of cold winter winds with a wind barrier which will reduce energy consumption. 5. Repair leaking valves to eliminate wasting water which has already been pumped and heated. 6. Caulk or close up openings in the waterer cabinet especially around the foundation. 7. Make sure the electric service wires are of the proper size. 8. Make sure waterers are properly grounded to prevent leakage (as well as to ensure safety). OPTIMAL WATER TEMPERATURE: Studies have shown that there is little, if any, variation in daily water intake, feed intake, daily gain or feed efficiency with different water temperatures. Heating the water above say 40 degrees F in the winter will increase costs but there is no evidence to suggest improved animal performance. Animal water consumption is more dictated by ambient air temperature than by the temperature of the drinking water. Flow rates at discharge can vary depending on the diameter of the supply line, the distance water travels to the waterer, variability in water pressure, the buildup of deposits inside the water supply line among other factors.
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