LEONARD TM-420A NEW GEN. HIGHLOW

Leonard Parts Troubleshooting Chart
LARGE VALVE TM-26A SMALL VALVE TM-20
PACKINGS & GASKETS 1. Leak at pointer rod.
2. Leak between valve cover and base
REPAIR:
KIT 1/26Y
REPAIR:
KIT 1/M20
PORT SLEEVE ASSEMBLY 3. Valve delivers either all hot or all cold water, or will not mix consistently. Repair:
KIT R/28

(Rebuilding Kit)
OR
TM28-1-8B Thermostat group
Repair:
KIT R/M20

(Rebuilding Kit)
OR
M20-1-8B
Bridge Assembly
THERMOSTAT GROUP 4. After cleaning or replacing port sleeve assembly, valve will not hold temperature. Repair
KIT R/28

OR
TM-28-G2
Thermostat Group
Repair:
KIT R/M20
(Rebuilding Kit)
OR
M-20-G2
Thermostat Group
CHECKSTOPS 5. Hot water by-pass into cold line(or cold into hot)
6. Supplies cannot be shut off completely. Supplies leak at checkstop bonnets
Repair:
KIT 4/26Y
(Checkstop Kit)
Repair:
KIT 4/M20
(Checkstop Kit)

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

Subcategories in LEONARD TM-420A NEW GEN. HIGHLOW