ASCO - HC10A215S - 1/8"NPT Internal Process Connection, General Purpose Enclosure, Series H Suffix S - Tri-Point Miniature Pressure Switches - Valves Direct
Asco Low Pressure Switch HZ19B227001 NOS | eBay
ASCO Power Technologies HB40A264U 1/4" Mini Pressure Switch: Amazon.com: Industrial & Scientific
ASCO - HB36A215L - 1/8"NPT External Process Connection, Open Frame Construction, Series H Suffix L - Tri-Point Miniature Pressure Switches - Valves Direct