Watts N45B Series User manual

Series

N45B

Installation

Instructions

•

Flush

dirt

and

scale

from

supply

pipe.

•

Install

regulator

vertically

horizontally

(upright

verted),

but

the

regulator

must

installed

with

the

ar-

row

the

direction

ow.

•

Regulator

preset

psi.

adjust,

loosen

locknut

and

turn

adjusting

screw

clockwise

increase,

counterclockwise

decrease.

•

This

regulator

has

a,J

uilt-in

thermal

expansion

bypass.

the

inlet

pressure

higher

than

the

discharge

setting

the

water

heater

(typically

150

psi)

there

check

valve

backflow

preventer

installed

the

line,

you

must

make

provisions

for

pressure

relief

protection

protect

your

plumbing

system

and

its

components.

suggest

the

use

model

DET

expansion

tank,

the

Watts

Governor

ball

cock

and

thermal

expansion

relief

valve,

530C

cali-

brated

pressure

relief

valve.

(Send

for

folder

-RV,

-Therm

Expansion,

consult

your

plumbing

professional).

CALIFORNIA

PROPOSITION

WARNING

WARNING:

This

product

contains

chemicals

known

the

State

California

cause

cancer

and

birth

defects

other

reproductive

harm.

(Installer:

California

law

requires

that

this

warning

given

the

consumer.)

Fig.

No.

Location

Installation

Pressure

Regulator

C.)

Cl)

No.

IS-N45B

No.

Backflow

Preventer

Fixtures

LIMITED

WARRANTY:

Watts

Regulator

company

warrants

each

product

against

defects

mate-

rial

and

workmanship

for

period

one

year

from

the

date

original

shipment.

the

event

such

defects

within

the

warranty

period,

the

company

will,

its

option,

replace

recondition

the

product

without

charge.

This

shall

constitute

the

exclusive

remedy

for

breach

warranty,

and

the

Company

shall

not

responsible

for

any

incidental

consequential

damages,

includ-

ing

without

limitation,

damages

other

costs

resulting

from

labor

charges,

delays,

vandalism,

negligence,

fouling

caused

foreign

material,

damage

from

adverse

water

conditions,

chemi-

cals,

any

other

circumstances

over

which

the

Company

has

control.

This

warranty

shall

invalidated

any

abuse,

misuse,

misapplication

improper

installation

the

product.

THE

COMPANY

MAKES

OTHER

WARRANTIE

EXPRESS

IMPLIED

EXCEPT

PROVIDED

THIS

LIMITED

WARRANTY.

Maintenance

Instructions

•

clean

strainer

replace

seat/stem

module

shut

off

supply,

loosen

locknut

(51)

and

back

off

adjusting

screw

(53).

•

Remove

springrage

spring

t32),

washer

(61)

and

slip

ring

(73).

Grasp

stem

nut

(51-1)

with

fingers

pliers

and

lift

mod-

ule

from

body.

Remove

strainer

screen

and

clean.

•

disassemble

module,

use

wrench

loosen

stem

nut

(51-1)

and

remove

lock

washer

(46)

and

diaphragm

plate

(60).

In-

vert

module

and

remove

disc

holder

(47)

using

screw

driver.

Slowly

turn

stem

(27)

upright

and

remove

bypass

ball

(106)

and

poly

spacer

(7).

Clean

ball,

poly

spacer,

disc

and

seat.

Lubricate

stem

ring

(1O1-3)

with

Dow

-111

equivalent

grease.

•

When

replacing

disc

holder

(47)

apply

drop

low

strength

thread

lock.

not

over

torque.

•

certain

reinstall

bypass

ball

and

poly

spacer.

Valve

will

not

operate

ball

missing.

•

Ensure

slip

ring

positioned

with

the

curved

edge

avoid

cutting

the

diaphragm.

LEADEN

VALVE

TECHNOLOGY

~WATfS

REGULATOR

-Since

1874

Watlslndustries,Inc.—

Water

Products

Division

•

Safety

Control

Valves

USA:

815

Chestnuf

St.,

No.

Andover,

01845-6098;

www.wattsreg.com

Canada:

5435

North

Service

Rd.,

Burlington,

ONT.

L7L

567;

www.wattscda.com

x]9001

c~rrtrren

IS-N45B

0021

EDP#

1911294

(53)

Adjusting

Screw

(51)

-Lock

Nut

(78)

Name

Plate

(3)

Cage

(61)

Spring

Washer

(52)

Spring

(27)

Stem

(51-1)

Nut

(46)

Lock

Washer

(60)

Diaphragm

Plate

(20)

Diaphragm

(73)

Slip

Ring

(101-1)-

-Ring

(103)

-0-Rings

(101-2)-

-Ring

(106)

Bypass

Ball

Poly

Spacer

Strainer

16)

Seat

(101-3)-

-Ring

§Y

(60-1)

Washer

(37)

Disc

(47)

Disc

Holder

Ordering

Size

Code

No.

Kit

No.

In.

Contents

0006960

N45B-RK

15,

20,

Rubber

Parts

0006959

N45B-SRK

15,

20,

Seat

O-ringsv

When

Ordering,

Specify:

Ordering

Code

Number

Type

Number

Size

Valve

Model

shown

Nameplate

Watts

Regulator

Co.,

1997

Printed

U.S.A.

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