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Optimal-temperature bath water replenishment units

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Basic models

These are the standard-type products for regular baths. A wide selection from 15 A to 65 A is available. Choose one that is suitable for the intended use.

*One unit is not capable of replenishing multiple bathtubs or supplying water to branching pipes and multiple shower taps.

Optimal-temperature bath water replenishment unit
(without the motor valve), no unions or flanges

Hot water + Water

Model Aperture (A) Flow/0.2 MPa
E2F-15×15 15×15×15 20.2ℓ/min
E2F-15×20 15×15×20 51ℓ/min
E2F-20×20 20×20×20 53ℓ/min
E2F-20×25 20×20×25 53ℓ/min
E2F-25×25 25×25×25 117ℓ/min
E2F-25×32 25×25×32 150ℓ/min
E2F-40×40 40×40×40 237ℓ/min
E2F-50×50 50×50×50 267ℓ/min
E2F-65×65 65×65×65 327ℓ/min

*1: A separate order must be made for master valves that come above the unit.
*2: The back plate is an option.
*Indoor installation type
*When installing the unit, be sure to leave enough space around it for maintenance purposes.
*Only the 65A product is made to order.

Optimal-temperature bath water replenishment unit
(with the motor valve), no unions or flanges

Hot water + Water

Model Aperture (A) Flow/0.2 MPa
E2F-15×15U 15×15×15 20.2ℓ/min
E2F-15×20U 15×15×20 51ℓ/min
E2F-20×20U 20×20×20 53ℓ/min
E2F-20×25U 20×20×25 53ℓ/min
E2F-25×25U 25×25×25 117ℓ/min
E2F-25×32U 25×25×32 150ℓ/min
E2F-40×40U 40×40×40 237ℓ/min
E2F-50×50U 50×50×50 267ℓ/min
E2F-65×65U 65×65×65 327ℓ/min

*1: A separate order must be made for master valves that come above the unit.
*2: The back plate is an option.
*When placing an order, be sure to specifically request the motor-valve type power supply (100 V/200 V AC).
*24 V DC is also available as a special order item.
*Indoor installation type
*When installing the unit, be sure to leave enough space around it for maintenance purposes.
*Only the 65A product is made to order.

Optimal-temperature bath water replenishment unit
(without the motor valve), union connection type

Hot water + Water

Model Aperture (A) Flow/0.2 MPa
E2F-15×15Y 15×15×15 20.2ℓ/min
E2F-15×20Y 15×15×20 51ℓ/min
E2F-20×20Y 20×20×20 53ℓ/min
E2F-20×25Y 20×20×25 53ℓ/min
E2F-25×25Y 25×25×25 117ℓ/min
E2F-25×32Y 25×25×32 150ℓ/min

*1: A separate order must be made for master valves that come above the unit.
*2: The back plate is an option.
*Indoor installation type
*When installing the unit, be sure to leave enough space around it for maintenance purposes.

Optimal-temperature bath water replenishment unit
(with the motor valve), union connection type

Hot water + Water

Model Aperture (A) Flow/0.2 MPa
E2F-15×15UY 15×15×15 20.2ℓ/min
E2F-15×20UY 15×15×20 51ℓ/min
E2F-20×20UY 20×20×20 53ℓ/min
E2F-20×25UY 20×20×25 53ℓ/min
E2F-25×25UY 25×25×25 117ℓ/min
E2F-25×32UY 25×25×32 150ℓ/min

*1: A separate order must be made for master valves that come above the unit.
*2: The back plate is an option.
*When placing an order, be sure to specifically request the motor-valve type power supply (100 V/200 V AC).
*24 V DC is also available as a special order item.
*Indoor installation type
*When installing the unit, be sure to leave enough space around it for maintenance purposes.

Optimal-temperature bath water replenishment unit
(without the motor valve), flange connection type

Hot water + Water

Model Aperture (A) Flow/0.2 MPa
E2F-15×15F 15×15×15 20.2ℓ/min
E2F-15×20F 15×15×20 51ℓ/min
E2F-20×20F 20×20×20 53ℓ/min
E2F-20×25F 20×20×25 53ℓ/min
E2F-25×25F 25×25×25 117ℓ/min
E2F-25×32F 25×25×32 150ℓ/min
E2F-40×40F 40×40×40 237ℓ/min
E2F-50×50F 50×50×50 267ℓ/min
E2F-65×65F 65×65×65 327ℓ/min

*1: A separate order must be made for master valves that come above the unit.
*2: The back plate is an option.
*Indoor installation type
*When installing the unit, be sure to leave enough space around it for maintenance purposes.
*Only the 65A product is made to order.

Optimal-temperature bath water replenishment unit
(with the motor valve), flange connection type

Hot water + Water

Model Aperture (A) Flow/0.2 MPa
E2F-15×15UF 15×15×15 20.2ℓ/min
E2F-15×20UF 15×15×20 51ℓ/min
E2F-20×20UF 20×20×20 53ℓ/min
E2F-20×25UF 20×20×25 53ℓ/min
E2F-25×25UF 25×25×25 117ℓ/min
E2F-25×32UF 25×25×32 150ℓ/min
E2F-40×40UF 40×40×40 237ℓ/min
E2F-50×50UF 50×50×50 267ℓ/min
E2F-65×65UF 65×65×65 327ℓ/min

*1: A separate order must be made for master valves that come above the unit.
*2: The back plate is an option.
*When placing an order, be sure to specifically request the motor-valve type power supply (100 V/200 V AC).
*24 V DC is also available as a special order item.
*Indoor installation type
*When installing the unit, be sure to leave enough space around it for maintenance purposes.
*Only the 65A product is made to order.

Water level control panel

Hot water + Water

Model Number of circuits Specifications
FL-1 For one bathtub Standard model
FL-11 For one bathtub With the low water level interlocking function
FL-1T For one bathtub With the delay timer
FL-2 For two bathtubs Standard model
FL-21 For two bathtubs With the low water level interlocking function
FL-2T For two bathtubs With the delay timer

*When placing an order, be sure to specify either 100 V AC or 200 V AC.
*Separate work can be performed if a vent hole or forced air fan is required.
*Indoor installation type
*The above products are made to order.

Water level gauge set/electrodes

①With electrode bars

Model Number of electrodes
FL-400-3S 3
FL-1000-3S 3
FL-400-5S 5
FL-1000-5S 5
Accessories ・Electrode bars
・Wall-mounting metal part × 2 units
・Braided vinyl hose, 2 m length
・Hose nipple × 2 units
・Hose band × 2 units

②Without electrode bars

Model Number of electrodes
FL-400-3 3
FL-1000-3 3
FL-400-5 5
FL-1000-5 5
Accessories ・Wall-mounting metal part × 2 units
・Braided vinyl hose, 2 m length
・Hose nipple × 2 units
・Hose band × 2 units

③Electrode bar only

Model Number of electrode bars
D-500 1
D-1000 1

*The FL-400 series is usually used as bath water level sensors, while the FL-1000 series is used as water level sensors for various types of tanks.
*As for the electrode bars (made of SUS304) provided as standard accessories, the FL-400 series comes with type
D-500 (50 cm), while the FL-1000 series comes with type D-1000 (100 cm).
 Three electrode bars are included in the package when any of the three-electrode models are delivered.
 Likewise, five electrode bars are included in the package when any of the five-electrode models are delivered.
 Be sure to cut the electrode bars to a suitable length at the installation site before use.