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Holby 1/2" (10)
Holby 3/4" (10)
Holby 1" (Low Temp) (1)
Holby 1" (9)
Holby 1-1/4" (9)
Holby 1-1/2" (10)
Holby 2" (9)
Holby 2-1/2" (9)
Holby 3" (Low Temp) (1)
Holby 3" (10)

Connection Type

FNPT x FNPT (18)

Connection Method

Threaded (18)

Max Temp (F)

120°F (9)
200°F (9)

Size

1/2" (8)
3/4" (8)
1" (9)
1-1/4" (8)
1-1/2" (8)
2" (8)
2-1/2" (8)
3" (9)
4" (8)

Price Range

$10 to $15 (1)
$25 to $30 (2)
$30 to $35 (4)
$50 to $60 (8)
$60 to $70 (5)
$70 to $80 (1)
$90 to $100 (3)
$100 to $200 (13)
$200 to $300 (9)
$300 to $400 (3)

Holby Tempering Valves

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Product Image of 1/2" Bronze Thermostatic Tempering Valve
1/2" Bronze Thermostatic Tempering Valve
SKU: HOLBY0500
Holby
SKU: HOLBY0500
Brand: Holby
(1)
$570.61 each
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Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of Thermostat for 1/2" Holby Tempering Valve
Thermostat for 1/2" Holby Tempering Valve
SKU: HOL0500-THRMST
Holby
SKU: HOL0500-THRMST
Brand: Holby
$233.09 each
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of 1/2" Bronze Thermostatic Tempering Valve (Low Temp)
1/2" Bronze Thermostatic Tempering Valve (Low Temp)
SKU: HOLBY0500LT
Holby
SKU: HOLBY0500LT
Brand: Holby
(1)
$570.61 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of 3/4" Bronze Thermostatic Tempering Valve
3/4" Bronze Thermostatic Tempering Valve
SKU: HOLBY0750
Holby
SKU: HOLBY0750
Brand: Holby
(1)
$570.61 each
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Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of Bonnet for 1/2" Holby Tempering Valve
Bonnet for 1/2" Holby Tempering Valve
SKU: HOL0500-BONNET
Holby
SKU: HOL0500-BONNET
Brand: Holby
$129.07 each
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Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of 3/4" Bronze Thermostatic Tempering Valve (Low Temp)
3/4" Bronze Thermostatic Tempering Valve (Low Temp)
SKU: HOLBY0750LT
Holby
SKU: HOLBY0750LT
Brand: Holby
(1)
$581.97 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of Screw for 1/2" Holby Tempering Valve
Screw for 1/2" Holby Tempering Valve
SKU: HOL0500-SCREW
Holby
SKU: HOL0500-SCREW
Brand: Holby
$58.17 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of 1" Bronze Thermostatic Tempering Valve
1" Bronze Thermostatic Tempering Valve
SKU: HOLBY1000
Holby
SKU: HOLBY1000
Brand: Holby
(1)
$875.38 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of 1" Bronze Thermostatic Tempering Valve (Low Temp)
1" Bronze Thermostatic Tempering Valve (Low Temp)
SKU: HOLBY1000LT
Holby
SKU: HOLBY1000LT
Brand: Holby
(1)
$959.07 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of Piston for 1/2" Holby Tempering Valve
Piston for 1/2" Holby Tempering Valve
SKU: HOL0500-PISTON
Holby
SKU: HOL0500-PISTON
Brand: Holby
$97.17 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of 1-1/4" Bronze Thermostatic Tempering Valve (Low Temp)
1-1/4" Bronze Thermostatic Tempering Valve (Low Temp)
SKU: HOLBY1250LT
Holby
SKU: HOLBY1250LT
Brand: Holby
(1)
$1,180.91 each
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Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of 1-1/4" Bronze Thermostatic Tempering Valve
1-1/4" Bronze Thermostatic Tempering Valve
SKU: HOLBY1250
Holby
SKU: HOLBY1250
Brand: Holby
(1)
$1,180.91 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of 1-1/2" Bronze Thermostatic Tempering Valve (Low Temp)
1-1/2" Bronze Thermostatic Tempering Valve (Low Temp)
SKU: HOLBY1500LT
Holby
SKU: HOLBY1500LT
Brand: Holby
(1)
$1,453.28 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of 1-1/2" Bronze Thermostatic Tempering Valve
1-1/2" Bronze Thermostatic Tempering Valve
SKU: HOLBY1500
Holby
SKU: HOLBY1500
Brand: Holby
(1)
$1,591.61 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of Spring for 1/2" Holby Tempering Valve
Spring for 1/2" Holby Tempering Valve
SKU: HOL0500-SPRING
Holby
SKU: HOL0500-SPRING
Brand: Holby
$50.94 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of 2" Bronze Thermostatic Tempering Valve (Low Temp)
2" Bronze Thermostatic Tempering Valve (Low Temp)
SKU: HOLBY2000LT
Holby
SKU: HOLBY2000LT
Brand: Holby
(1)
$2,025.41 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of 2" Bronze Thermostatic Tempering Valve
2" Bronze Thermostatic Tempering Valve
SKU: HOLBY2000
Holby
SKU: HOLBY2000
Brand: Holby
(1)
$1,985.69 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of Complete Bonnet & Gasket Assembly for 1/2" Holby Tempering Valve
$248.99 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of 2-1/2" Bronze Thermostatic Tempering Valve (Low Temp)
2-1/2" Bronze Thermostatic Tempering Valve (Low Temp)
SKU: HOLBY2500LT
Holby
SKU: HOLBY2500LT
Brand: Holby
(1)
$2,652.86 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of 2-1/2" Bronze Thermostatic Tempering Valve
2-1/2" Bronze Thermostatic Tempering Valve
SKU: HOLBY2500
Holby
SKU: HOLBY2500
Brand: Holby
(1)
$3,524.95 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of Thermostat for 3/4" Holby Tempering Valve
Thermostat for 3/4" Holby Tempering Valve
SKU: HOL0750-THRMST
Holby
SKU: HOL0750-THRMST
Brand: Holby
$256.21 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of 3" Bronze Thermostatic Tempering Valve (Low Temp)
3" Bronze Thermostatic Tempering Valve (Low Temp)
SKU: HOLBY3000LT
Holby
SKU: HOLBY3000LT
Brand: Holby
(1)
$4,274.49 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of 3" Bronze Thermostatic Tempering Valve
3" Bronze Thermostatic Tempering Valve
SKU: HOLBY3000
Holby
SKU: HOLBY3000
Brand: Holby
(1)
$4,274.49 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of Bonnet for 3/4" Holby Tempering Valve
Bonnet for 3/4" Holby Tempering Valve
SKU: HOL0750-BONNET
Holby
SKU: HOL0750-BONNET
Brand: Holby
$129.07 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of 4" Bronze Thermostatic Tempering Valve (Low Temp)
4" Bronze Thermostatic Tempering Valve (Low Temp)
SKU: HOLBY4000LT
Holby
SKU: HOLBY4000LT
Brand: Holby
(1)
$8,484.90 each
Backorder
Get it by Wed, Jul 15 - Fri, Aug 14
Backorder
Get it by Wed, Jul 15 - Fri, Aug 14
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Product Image of 4" Bronze Thermostatic Tempering Valve
4" Bronze Thermostatic Tempering Valve
SKU: HOLBY4000
Holby
SKU: HOLBY4000
Brand: Holby
(1)
$8,484.90 each
Backorder
Get it by Wed, Jul 15 - Fri, Aug 14
Backorder
Get it by Wed, Jul 15 - Fri, Aug 14
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Product Image of Screw for 3/4" Holby Tempering Valve
Screw for 3/4" Holby Tempering Valve
SKU: HOL0750-SCREW
Holby
SKU: HOL0750-SCREW
Brand: Holby
$58.17 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of Piston for 3/4" Holby Tempering Valve
Piston for 3/4" Holby Tempering Valve
SKU: HOL0750-PISTON
Holby
SKU: HOL0750-PISTON
Brand: Holby
$97.17 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of Spring for 3/4" Holby Tempering Valve
Spring for 3/4" Holby Tempering Valve
SKU: HOL0750-SPRING
Holby
SKU: HOL0750-SPRING
Brand: Holby
$50.94 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Compare
Product Image of Complete Bonnet & Gasket Assembly for 3/4" Holby Tempering Valve
$248.99 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of Thermostat for 1" Holby Tempering Valve
Thermostat for 1" Holby Tempering Valve
SKU: HOL1000-THRMST
Holby
SKU: HOL1000-THRMST
Brand: Holby
$275.80 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of Bonnet for 1" Holby Tempering Valve
Bonnet for 1" Holby Tempering Valve
SKU: HOL1000-BONNET
Holby
SKU: HOL1000-BONNET
Brand: Holby
$129.07 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of Thermostat for 1" Holby Low Temp Tempering Valve
Thermostat for 1" Holby Low Temp Tempering Valve
SKU: HOL1000-LTTHRMST
Holby
SKU: HOL1000-LTTHRMST
Brand: Holby
$270.40 each
In Stock
Get 1 by Fri, Jun 19
In Stock
Get 1 by Fri, Jun 19
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Product Image of Screw for 1" Holby Tempering Valve
Screw for 1" Holby Tempering Valve
SKU: HOL1000-SCREW
Holby
SKU: HOL1000-SCREW
Brand: Holby
$58.17 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of Piston for 1" Holby Tempering Valve
Piston for 1" Holby Tempering Valve
SKU: HOL1000-PISTON
Holby
SKU: HOL1000-PISTON
Brand: Holby
$107.40 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of Spring for 1" Holby Tempering Valve
Spring for 1" Holby Tempering Valve
SKU: HOL1000-SPRING
Holby
SKU: HOL1000-SPRING
Brand: Holby
$56.25 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of Complete Bonnet & Gasket Assembly for 1" Holby Tempering Valve
Complete Bonnet & Gasket Assembly for 1" Holby Tempering Valve
SKU: HOL1000-ASSBLY
Holby
SKU: HOL1000-ASSBLY
Brand: Holby
$248.99 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of Thermostat for 1-1/4" Holby Tempering Valve
Thermostat for 1-1/4" Holby Tempering Valve
SKU: HOL1250-THRMST
Holby
SKU: HOL1250-THRMST
Brand: Holby
$345.60 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of Bonnet for 1-1/4" Holby Tempering Valve
Bonnet for 1-1/4" Holby Tempering Valve
SKU: HOL1250-BONNET
Holby
SKU: HOL1250-BONNET
Brand: Holby
$161.99 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Compare
Product Image of Screw for 1-1/4" Holby Tempering Valve
Screw for 1-1/4" Holby Tempering Valve
SKU: HOL1250-SCREW
Holby
SKU: HOL1250-SCREW
Brand: Holby
$66.20 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of Piston for 1-1/4" Holby Tempering Valve
Piston for 1-1/4" Holby Tempering Valve
SKU: HOL1250-PISTON
Holby
SKU: HOL1250-PISTON
Brand: Holby
$115.94 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Compare
Product Image of Spring for 1-1/4" Holby Tempering Valve
Spring for 1-1/4" Holby Tempering Valve
SKU: HOL1250-SPRING
Holby
SKU: HOL1250-SPRING
Brand: Holby
$59.27 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
Compare
Product Image of Complete Bonnet & Gasket Assembly for 1-1/4" Holby Tempering Valve
$287.61 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of Thermostat for 1-1/2" Holby Tempering Valve (Low Temp)
$463.65 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of Bonnet for 1-1/2" Holby Tempering Valve
Bonnet for 1-1/2" Holby Tempering Valve
SKU: HOL1500-BONNET
Holby
SKU: HOL1500-BONNET
Brand: Holby
$199.79 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
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Product Image of Screw for 1-1/2" Holby Tempering Valve
Screw for 1-1/2" Holby Tempering Valve
SKU: HOL1500-SCREW
Holby
SKU: HOL1500-SCREW
Brand: Holby
$77.30 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Compare
Product Image of Piston for 1-1/2" Holby Tempering Valve
Piston for 1-1/2" Holby Tempering Valve
SKU: HOL1500-PISTON
Holby
SKU: HOL1500-PISTON
Brand: Holby
$134.98 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Compare
Product Image of Spring for 1-1/2" Holby Tempering Valve
Spring for 1-1/2" Holby Tempering Valve
SKU: HOL1500-SPRING
Holby
SKU: HOL1500-SPRING
Brand: Holby
$59.27 each
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Backorder
Get it by Tue, Jul 14 - Tue, Aug 11
Resources
FAQs, Manuals & Videos
Articles
More About Holby Tempering Valves
The Holby Valve Company offers the first and most-widely specified water tempering valve in the industry. THE HOLBY TEMPERING VALVE is a temperature regulating valve, designed to be used as a master, zone, fixture or individual appliance regulator to control the predetermined temperature of hot water. Water delivered from hot water generating equipment such as storage tanks, heat exchangers, submerged coils, or any other source, is frequently too hot or scalding. This condition can be corrected by the installation of a HOLBY TEMPERING VALVE. It is a necessary part of any submerged tankless water heating system.