Len Gordon Adjustable Pressure Switch - 1/8" NPT thread - DPST

Len Gordon 800120 adjustable pressure switch SPDT 21A, 240v rated contacts.
6.4mm spade terminals.
Normally Open and Normally Closed contacts - can be used to indicate 'no flow' condition to illuminate indicator lights in some heaters such as Compu-Heat
Adjustable pressure switch with adjuster slide lock
1-5 psi adjustment.
Also used in gas heaters manufactured by Astral / Hurlcon :
Minimax, JX, HX, MX, HiNRG & Viron
p/n 71580