I
HIGH WATER
REQUIRED LEVEL
1st LOW WATER
2nd LOW WATER
BOILER TUBES
2off 18mm x 120mm SLOTS
BOTTOM 1” OF THE PROBE IS THE
SEALING PLUG AND WILL NOT
GIVE A CAPACITANCE READING
RECOMMENDED MINIMUM 6” PIPE I.D.
10x 24mm HOLES EQUSPACED AROUND 6” PIPE
BOILER SHELL
1m (3’0”) OF 10mm (0.4”) PMA SUPPLIED
1.5m OF 4 CORE SCREEN PRE-WIRED INTO THE PROBE
CAPACITANCE PROBES
INSTALLED WITH COPPER
SEALING WASHER
1/2” BSP/NPT PARALLEL THREAD
RECOMMENDED
MINIMUM 6” PIPE
TAPPING DETAIL
TAPPED 1/2” BSP
1/2” CLEARANCE FROM END OF PROBE SHROUD
1” OF CLEARANCE ABOVE BOILER TUBES
LEVEL PROBES MOUNTED DIRECTLY TO
BOILER SHELL (TOGETHER)
18mm WIDE SLOT BOTH SIDES
9mm WIDE SLOT BOTH SIDES
BOILER TUBES
2off 9mm x 67mm SLOTS
BOTTOM 1” OF THE PROBE IS THE
SEALING PLUG AND WILL NOT GIVE
A CAPACITANCE READING
RECOMMENDED MINIMUM 3” PIPE I.D.
10 x 12mm HOLES EQUISPACED AROUND 3” PIPE
BOILER SHELL
1m (3’0”) OF 10mm (0.4”) PMA SUPPLIED
1.5m OF 4 CORE SCREEN PRE-WIRED INTO THE PROBE
CAPACITANCE PROBE
INSTALLED WITH SUPPLIED
COPPER SEALING WASHER
1/2” BSP/NPT PARALLEL THREAD
1/2” CLEARANCE FROM END OF PROBE SHROUD
1” OF CLEARANCE ABOVE BOILER TUBES
3 Water Level Control
04.09.2016 Mk8 MM Expansion Features Installation and Set-Up Guide Page 43