Lochinvar VAL2123 User Manual
Ltv valve application instructions for, Kit components

LTV VALVE APPLICATION INSTRUCTIONS FOR
LOW TEMPERATURE PROTECTION
COPPER-FIN AND POWER-FIN MODELS
CB 495 - 2066 / CH 401 - 2071 AND PB 501 - 2000
INS7238 Rev C
Kit components:
VAL30000 - 1 1/2" VALVE
Models: CB 45 - 500
• VAL20000
1 1/2" LTV Valve
• INS7238
Instruction Sheet
VAL3048 - 2" VALVE
Models: CB 495 - 745 and CH 401 - 751
• VAL2123
2" LTV Valve
• INS7238
Instruction Sheet
VAL3047 - 2 1/2" VALVE
Models: CB 986 - 2066, CH 991 - 2071, and PB 501 - 2000
• VAL2124
2 1/2" LTV Valve
• BLT2118
Bolt (12)
• BLT2119
Nut (12)
• BLT2026
Flat Washer (24)
• BLT2120
Star Washer (12)
• GKT2055
Gasket (3)
• TFL2092
Flange (3)
• INS7238
Instruction Sheet
ƽ CAUTION Pump and motor unit are designed to be
supported by the inline piping only. Do not
support in any other manner. When placing
pump between flanges, tighten flange bolts
evenly and do not tighten excessively.
Figure 2_ 2" Valve
A = BLENDED
WATER
B = FROM
BOILER
OUTLET
C = SYSTEM
RETURN
WATER
Figure 3_ 2 1/2" Valve
A = BLENDED
WATER
B = FROM BOILER
OUTLET
C = SYSTEM
RETURN
WATER
Figure 1_ 1 1/2" Valve
A = BLENDED
WATER
B = FROM BOILER
OUTLET
C = SYSTEM
RETURN
WATER
NOTE: A-B-C is noted on the valve to depict proper orientation.