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LEONARD TM-1520A NEW GEN. HIGHLOW

Leonard Parts Troubleshooting Chart
Large Valve (52,82) Large Valve (92) Large Valve (125) Small Valve TM-2
PACKINGS & GASKETS 1. Leak between valve cover and base.. Repair: KIT 1/50YRepair: KIT 1/50Y Repair:
KIT 1/125Y
(125)
Repair: KIT 1/26 (Packings & Gaskets)
PORT SLEEVE /BRIDGE ASSEMBLY 2. Valve delivers either all hot or all cold water, or will not mix consistently Repair: KIT R/50 Repair: KIT R/90 Repair: KIT R/125 Repair: KIT R/28
OR
TM-28-1-8B (bridge assembly)
THERMOSTAT GROUP 3. After cleaning or replacing port sleeve/bridge assembly, valve performance is not consistent. Repair: KIT R/50
OR
TGM-50
Repair:KIT R/90
OR
TGM-90
Repair: KIT R/125
OR
TGM-125
Repair: KIT R/28
(rebuilding kit)
OR
TM28-G2
(thermostat group)
CHECKSTOPS, STOPS 4. Hot water by-pass into cold line (or cold into hot).
5. Supplies cannot be shut off completely. Supplies leak at checkstop bonnets
Repair: KIT 2/50Y Repair: KIT 2/50Y Repair:KIT 2/50Y Repair: KIT 4/M20 (Checkstop Kit)

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