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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 sleeveassembly 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

$9.25/EACH

Leonard 57-K 4-ARM HANDLE

$36.42/EACH

Leonard 57-L CP SNAP CAP

$3.26/EACH

57-M Leonard Screw & Washer

Call for Price

Leonard 57-N GROMMET

$2.99/EACH

Leonard M20-1-8B BRIDGE ASSEMBLY

$176.40/EACH

Leonard M20-1B BRIDGE-TM

$34.44/EACH

Leonard M20-1C CP COVER (CHROME)

Length 2 11/16
$102.59/EACH

Leonard M20-1C RF COVER (ROUGH)

$90.18/EACH

Leonard M20-3C COVER GASKET

$3.22/EACH

Leonard MU-10B POINTER ROD NUT

$2.99/EACH

Leonard MU-13D RETAINING RING

$2.99/EACH

Leonard MU-5D Pointer Handle

$54.21/EACH

Leonard MU-5DT Pointer Handle

Call for Price

Leonard MU-9D STOP

$10.89/EACH

Leonard PAM-29&30 SCREW/WASHER

$6.46/EACH

Leonard TA-14 DIAL PLATE ONLY

$9.80/EACH

Leonard TAM-33 FLANGE SCREW

$4.45/EACH

Leonard TM-25 Thermo Group Assy

Broach Points 20
Length 5
$217.28/EACH