Efficient Tankless Water Heater Installation in Santa Cruz, CA

Project Summary

Project Type

Tankless Water Heater Installation

Location

Santa Cruz, CA

Duration

2 Days

Services Provided

Water Heater Removal, Navien Tankless Installation, Gas Line Rework, Venting & Electrical Connections

When a homeowner in Santa Cruz needed a more energy-efficient hot water solution, Bellows Plumbing, Heating, Cooling & Electrical stepped in with the perfect upgrade. We replaced their outdated tank-style unit with a modern Navien NPE240A2 through a professional tankless water heater installation, delivering improved performance, long-term efficiency, and peace of mind.

Project Scope & Key Components

This project focused on upgrading the home’s hot water system while ensuring compliance with modern building codes and performance standards.

Tankless Water Heater Installation:

Removed and recycled the existing tank-style water heater.
Mounted and installed a Navien NPE240A2 tankless unit in the same location.
Connected existing hot/cold water lines and shut-off valves.
Made hard-piped connections to the hot and cold ports.
Connected existing gas line and added sediment trap, shut-off valve, and ¾” gas supply.
Installed new PVC exhaust vent piping and condensate drain line.
Hooked up to a 120V electrical outlet and 24V control wiring.
Calibrated system, tested for proper function, and cleaned up the site.

Installation Phases & Timeline

Before we dive into the results, here’s how our team approached the installation step by step. From removing the old system to calibrating the new Navien tankless unit, every stage was carefully planned and executed to ensure maximum efficiency, safety, and performance.

Day 1: Main Installation

Removed old tank water heater.
Installed and mounted new Navien tankless water heater.
Completed major plumbing, venting, and electrical connections.
Left $500 off the final invoice as customer was unavailable for system walkthrough.
Scheduled a follow-up visit to finalize remaining details.

Day 2: Final Touches & Inspection Prep

Returned to repair a drill hole on the exterior with custom flashing.
Secured strapping in the crawlspace and capped off old flue.
Walked customer through new system operation.
Customer tested system with all fixtures running—no issues reported.
Final balance collected; customer extremely satisfied.

Final Results & Homeowner Feedback

This tankless water heater installation resulted in a seamless transition from a traditional tank system to a compact, high-efficiency tankless unit. The Navien system now delivers on-demand hot water without delay or temperature fluctuations. With the added benefit of saved space and lower utility bills, the homeowner was thrilled with the upgrade and praised the Bellows team for their professionalism and communication.

Photo Highlights

Want to get a closer look at the craftsmanship behind this tankless water heater installation? Below are photos highlighting key moments from the installation process—from removing the old tank-style unit and mounting the new Navien system to the detailed plumbing, venting, and crawlspace work. These images showcase the clean execution, code-compliant setup, and attention to detail that define every Bellows Plumbing, Heating, Cooling & Electrical installation.

Navien Tankless Water Heater — The high-efficiency Navien tankless water heater used in this installation offers on-demand hot water, compact design, and energy savings.

Tankless Heater Cold Water Inlet Valve — Cold water inlet with isolation valve and service port for easy maintenance and system flushing — a hallmark of a quality tankless install.

Installed thermal expansion tank helps regulate pressure in the closed-loop plumbing system, protecting the tankless unit and piping.

Tankless water heater exhaust intake — PVC venting securely attached to the unit’s exhaust port ensures safe removal of combustion gases in this high-efficiency tankless setup.

Tankless water heater vent pipe installation — An exterior vertical vent pipe allows proper combustion air intake and flue gas exhaust, critical for condensing tankless heaters.

Tankless Water Heater Condensate and Drain Line — Final exterior termination of the condensate drain (white PVC) and pressure relief line (copper), ensuring safe discharge of moisture and excess pressure from the tankless water heater system.

Energy Savings & Everyday Benefits

A tankless water heater installation provides homeowners with several concrete advantages:

Endless hot water: The Navien NPE240A2 delivers on-demand hot water without the temperature fluctuations or limited capacity of traditional tanks.
Space savings: The compact tankless unit frees up valuable space previously occupied by the bulky tank system.
Energy efficiency: Unlike traditional tanks that constantly heat water, the tankless system only operates when hot water is needed, reducing energy consumption and utility costs.
Longer lifespan: Navien tankless systems typically last 15-20 years compared to 8-12 years for conventional tanks, providing greater long-term value.
Improved home value: Modern, energy-efficient upgrades like tankless water heaters can increase property value and appeal to future buyers.
Code compliance: Our professional installation ensures all current building codes are met, with proper venting, gas connections, and safety features in place.

The customer’s ability to run all fixtures simultaneously without issues demonstrates the superior performance of this system. This installation showcases how thoughtful plumbing upgrades can significantly improve daily life while providing long-term financial benefits.

Why Homeowners Trust Bellows for Tankless Water Heater Installations

We’re experts in upgrading traditional water heaters to space-saving, high-efficiency tankless systems. Our plumbers ensure proper venting, gas line sizing, water line connections, and temperature calibration all up to code. We install top brands like Navien with the goal of providing endless hot water, lower energy bills, and peace of mind. Whether it’s rewiring for more electrical capacity or modernizing your HVAC system, every job ends with a full system test, clean workspace, and happy homeowner.

Need a New Tankless Water Heater in Santa Cruz, CA?

Get expert help from Bellows Plumbing, Heating, Cooling & Electrical. We’ll recommend the right system and install it with precision and care.

Staffan Lofgren

Cody was very professional and friendly. Bellows is the best HVAC installer we have encountered.

Cas Ellena

Bellows was great, thank you for coming so fast and fixing the problem!

Bacchus Ridge

Zach did a fantastic and determined job of conquering our leak from under our crawlspace. Bellows sent someone an hour after I called with a leak report, although it was the end of the day. He diagnosed the issue, got cold water working, and was back the next day with the parts for the hot. Great attitude and fabulous service. Thanks, team bellows!

Jason Barraca

I received great service for my water heater. Nate was very professional and thorough.

Tom Larter

Bellows is outstanding. Best communication and the techs are amazing. Polite and always stay until the Job is done. Scottie is our hero. He is so helpful, polite and fixes every thing we need. We have used Bellows for out home for the last 14 years and never had anything other than 6 star service.

Mark Scofield

I give high praise to Bellows for performing three different jobs in succession. First, after being called to have a look, a Bellows troubleshooter recommended we replace our 40-year-old central furnace. We opted to respect his professional judgement. A two-man crew came and got the job done efficiently and with little disturbance. We asked for someone to have a look at our equally old shower valve. A man came to estimate the job then returned to replace it another day. Perfect! We love that we no longer wrestle with the old valve. Last, we asked that someone come to look at our home lighting. A man came to help us formulate a plan. Another two-man crew came and began work. We discussed our needs and minor changes were made to improve our environment further. In every case, we were treated courteously. When they requested permission to make changes, they were forthright and benefitted our environment. A sticking point to me, a retired craftsman, is cleanliness. Every person entering our home was professionally neat and left not the slightest dust for us after they left. I am impressed. Overall, my wife and I spoke with many people from Bellows both in person and on the phone. We would like to stress our perception that in every case, we felt we were working with a family business. That is, we were addressed courteously, and as friends, not simply clients. A few weeks on and we still marvel that we waited so long to do this work. As you see, we're glad we chose Bellows. Thanks!