This unit uses a standard 1/2" NPT threaded connection

measuring approximately 4

though performance depends on the float size and arm length used to generate sufficient closing force

Broad Interchangeability: Fully compatible with part numbers HKN-05

Can I use a "close on rise" switch if this "close on fall" switch is unavailable

Intermatic DTAV40 Defrost Timer R-410A This unit uses a standardThe Intermatic DTAV40 Defrost Timer is a heavy duty, 40 amp electromechanical control engineered for reliable commercial refrigeration defrost cycles. Designed as a versatile universal defrost timer, it features auto voltage technology that automatically adjusts between 120V and 240V AC, eliminating the need for manual jumpers or voltage specific stock. This unit serves as an exact refrigeration timer replacement for discontinued models, including the