Mcdonnell & Miller RS4-BR-1, High Pressure Remote Sensor (4 Levels)

Features: NEMA 4X Enclosure For sophisticated multi-level control in tanks, boilers and hydronic systems Remote sensors, which thread into the top of the boiler or tank, are available with 1, 2, 3, 4 or 5 probes of varying lengths that can easily be cut to desired set points Probe lengths 12 - 72" (2.5 - 183cm) in 12" (2.5cm) increments (purchased separately) Control, remote sensor and probe(s) must be ordered separately. Order Spacer S-4 when 2 or more probes greater than 36" (914mm) will be used No blow down required