PRODUCT UPDATE: KOENDERS CALF WARMERS Koenders Calf Warmers 110V now include a heater that is deemed to be suitable for use in their units. All Koenders Calf Warmer units, for sale at UFA, are now equipped with this heater. Koenders Calf Warmers 110V units that were purchased from UFA, prior to December 31, 2018, require a customized bracket to attach the new replacement heater. Please contact UFA to make arrangements to obtain this customized bracket and replacement heater at Customer.Support@ufa.com. Additional replacement heaters, which are suitable for use in the Koenders Calf Warmer 110V units, will be available for purchase late in 2019.