Watts lfn35b

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Here is a link to the 45B at lowes: https://www.lowes.com/pd/Watts-LFN45B-Copper-3-4-in-MNPT-Pressure-Reducing-Valve/3503148

First question I'm trying to identify the right replacement part for a Watts n35b water pressure regulator. A watts LFN45B appears to be the new version of this. It has the same specifications: Range 25-75. The threading set up also looks the same. Is this right?

Water pressure Reducing ValveRepair kit

These video’s aim to help you understand how important topics on two different types of underfloor heating systems. How does a hydronic underfloor system work How to install an electric under tile mat

Watts B1156FRepair Kit

A radiant heating solution whether electric or hydronic transfers heat energy into your floor. This then radiates like a hot brick wall on a summers evening into your home. A programmable thermostat makes sure you are warm when you want to be, and not using power or gas when you don’t need to be.

Watts pressure reducing ValveRepair Kit

Underfloor heating is like having a summers day inside your home. While outside is blowing a gale you’ll be in doors enjoying a warm and silent comfortable home. There is no requirement for a noisy fan as there is for an air heating system, which also means that there is no dust being blown around.

Underfloor heating is a great way to heat your home as it transforms your floor into a radiant heater. Radiant heat is the most comfortable and efficient method of heating your home as there is no noisy blown air. There are many options when it comes to underfloor heating and we can supply and install most of them.

Second question - When installing this do I need to solder it or do any other treatment to the threading besides letting the o-rings do the work?

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