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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 

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.

Summary of Contents for BLT2026

Page 1: ...2118 Bolt 12 BLT2119 Nut 12 BLT2026 Flat Washer 24 BLT2120 Star Washer 12 GKT2055 Gasket 3 TFL2092 Flange 3 INS7238 Instruction Sheet CAUTION Pump and motor unit are designed to be supported by the in...

Page 2: ...st be set at max 2 Inlet and outlet connections to the boiler are shown for reference only Actual connections may vary from those represented here Consult the Installation and Service Manual for actua...

Page 3: ...from those represented here Consult the Installation and Service Manual for actual locations 3 Unit s pump should operate only during firing periods Best practice for Indoor Outdoor reset Best practic...

Page 4: ...n for reference only Actual connections may vary from those represented here Consult the Installation and Service Manual for actual locations 3 Unit s pump should operate only during firing periods NO...

Page 5: ...11_2 LTV Valve Up to 750 000 Btu hr Figure 12_2 1 2 LTV Valve 990 000 Btu hr and up Figure 10_1 1 2 LTV Valve 45 000 500 000 Btu hr PORT A PORT B PORT C 6 125 3 750 5 250 A B C SIDE TOP 5 of 8 INS7238...

Page 6: ...gular cleaning or calibration In most installations the 1 1 2 and 2 valves are hard piped into place and do not afford access The 2 1 2 valve has flanged connects which allows removal If the valve bec...

Page 7: ...7 of 8 INS7238 Rev C Notes...

Page 8: ...A INS7238 Rev A reflects the addition of the 1 1 2 valve Revision B INS7238 Rev B reflects the addition of the maintenance instructions Revision C ECO C02335 reflects the revision of FIG s 1 2 3 4 6 8...

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