LEONARD 520, 820, 920 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
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.

Subcategories in LEONARD 520, 820, 920 NEW GEN. HIGHLOW
Items in LEONARD 520, 820, 920 NEW GEN. HIGHLOW