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LEONARD M-20-CST, M-20-EST THERMOSTATIC VALVE PARTS
LEONARD M-20-CST, M-20-EST THERMOSTATIC VALVE PARTS

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LEONARD M-20-CST, M-20-EST THERMOSTATIC VALVE PARTS

Leonard Parts Troubleshooting Chart
PACKINGS & GASKETS 1. Leak at handle.
2. Leaks between valve cover and base.
3. Volume control will not shut off completely.
Kit 1/M20 includes:
1 M20-3C,
1 M20-3E,
2 M20-3A,
2 M20-6B,
1 M20-6E,
2 M20-5A,
2 MU-4C,
1 M20-10E,
2 M20-9A,
PORT SLEEVE ASSEMBLY 4 Valve delivers either all hot or all cold water or will not mix consistently. Clean or replace port sleeve assembly KIT 2/M20 includes:
2 M20-3B,
M20-6B,
1 M20-G1,
M20-14B,
THERMOSTAT GROUP 5. After replacing port sleeve assembly, valve will not hold temperature. Clean or replace thermostat group ALTERNATE: ORDER
1 M20-1-8B,

OR
KIT R/M20
(SEE DWG. E)
KIT R/M20
OR
1 M20-G2
CHECKSTOPS 6. Hot water by-passes into cold line (or cold into hot)
7. Supplies cannot be shut off completely.
KIT 4/M20 includes:
2 M20-3A,
2 M20-5A,
2 M20-6A,
2 M20-9A

Refer to the Operational and Maintenance guide for full Troubleshooting Instructions.

Items in LEONARD M-20-CST, M-20-EST THERMOSTATIC VALVE PARTS

Leonard 57-D GLAND NUT-

$7.22/EACH

Leonard 57-K 4-ARM HANDLE-

$28.91/EACH

Leonard 57-L CP SNAP CAP-

$2.45/EACH

Leonard 57-N GROMMET-

$2.21/EACH

Leonard KIT 1/20CST PACKINGS/GASKETS-M-20-CST, M-20-EST

$60.76/EACH

Leonard TM2020 Packing Kit 1/M20

$51.05/EACH

Leonard KIT 2/M20 PORT SLEEVE KIT

$77.38/EACH

Leonard Check Stop Rebuild Kit 4/M20-LF

$40.88/EACH

Leonard KIT R/20CST REBUILDING KIT-M-20-CST, M-20-EST

$292.70/EACH

Leonard Therm Cnt Assy M20-1-12B-LF

$321.44/EACH

Leonard M20-1-8B BRIDGE ASSEMBLY-

$140.33/EACH

Leonard M20-1-8BTF TEF/TEF BRIDGE ASSEMBLY COMPLETE TEFLON ASSEM

Call 855-289-8721 for Price

Leonard M20-14B PORT SLEEVE STUD-

$2.21/EACH

Leonard M20-1B BRIDGE-TM

$27.24/EACH

Leonard M20-1C CP COVER (CHROME)

$81.54/EACH

Leonard M20-1C RF COVER (ROUGH)-

$71.64/EACH

Leonard M20-2C COVER SCREW (4 REQ.)-

$2.21/EACH

Leonard M20-3B PORT SLEEVE PKG (2 REQ.)-

$2.21/EACH

Leonard M20-3C COVER GASKET

$2.49/EACH

Leonard M20-4B PORT SLEEVE HOLDER (2 REQ.)-

$11.65/EACH

Leonard M20-5B HOLDER NUT (2 REQ.)

$7.67/EACH

Leonard M20-6B HOLDER NUT O-RING (2 REQ.)-

$2.21/EACH

Leonard M20-G1 PORT SLEEVE ASSEMBLY-

$71.64/EACH

Leonard M20-G1TF TEF/TEF PORT SLEEVE ASSEMBLY COMPLETE TEFLON AS

Call 855-289-8721 for Price

Leonard TM-25 Thermo Group Assy

$163.86/EACH

Leonard MU-10B POINTER ROD NUT-

$2.21/EACH

Leonard MU-13D RETAINING RING -

$2.21/EACH

Leonard MU-4C GLAND PKG (2 REQ.)

$2.21/EACH

Leonard MU-5D Pointer Handle

$40.77/EACH

Leonard MU-9D STOP-

$8.57/EACH

Leonard PAM-29&30 SCREW/WASHER-

$2.92/EACH

Leonard TA-14 DIAL PLATE ONLY-

$7.67/EACH

Leonard TAM-33 FLANGE SCREW

$3.43/EACH