Installation guide alignment kit, includes: alignment scale body, 2 rods and 2 thumbscrews. TIHC0K0 rango de 0 260 Pa y Rango de Presion:0 a 1" w.c. rango de 0 260 Pa y 0 21 m s Tipo de interruptor: Un polo doble tiro (1P2T) includes: alignment scale body 2 rods and 2 thumbscrews