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Use these -16 & -20 male adapters in Radiators, Electric Water Pumps, Thermostat Housings, Expansion Filler Necks or anywhere -16an or -20an male ORB to male AN attachment is needed.
Note: Our ORB adapters have short reach threads and are not compatible with all Water Pump applications.
The 1-1/4" 20TPI adapter is commonly used in most brands Swivel Thermostat Housings. Just remove the barb hose fitting and install one of these -16an or -20an adapters.
The use of an appropriate size Autoplumb Water Neck Conversion Adaptor on your existing thermostat housing, filler neck or water pump will work well in most applications.
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