Blogs - virheospump.com

Why You Need a Swimming Pool Pump?Types, Turnover, Standards & Buying Guide

This guide explains why a swimming pool pump is essential for pool water circulation and sanitation. It introduces the structure and working principle of centrifugal pool pumps, explains turnover, affinity laws for energy savings, and outlines six core functions of pool pumps. It compares single‑speed, dual‑speed, variable‑speed, self‑priming and commercial pool pumps, covers key standards including NSF/ANSI 50, UL 1081 and DOE WEF requirements. It provides a nine‑step buying checklist, installation guidance, routine maintenance and common costly mistakes for residential in‑ground, above‑ground, spa and commercial swimming pools.

Why You Need a Swimming Pool Pump?Types, Turnover, Standards & Buying Guide Read More »

Can You Use a Sump Pump as a Sewage Pump?

A sump pump cannot serve as a sewage pump. Sump pumps move clean groundwater, while sewage ejector pumps handle toilet and fixture wastewater with 2‑inch solids clearance, sealed vented basins and larger discharge lines. Wrong substitution leads to clogs, motor stall and dangerous sewage backup. This article compares pump types, IPC code, sizing, velocity rules, maintenance and risks for residential installations.

Can You Use a Sump Pump as a Sewage Pump? Read More »

What Size Pool Pump for a 25,000 Gallon Pool? HP & GPM Chart

Learn how to size a pool pump for a 25,000-gallon pool based on required GPM and turnover time under PHTA-5 standard. The valid flow range is 34.7–69.4 GPM; a 1.5 HP variable-speed pump is the typical recommendation. This guide covers pump charts, total dynamic head, pipe velocity limits, filter matching, energy savings and common sizing mistakes.

What Size Pool Pump for a 25,000 Gallon Pool? HP & GPM Chart Read More »

Where to Install a Hot Water Recirculating Pump: Location, Cost & Lifespan

This guide explains hot water recirculating pump placement rules, two common piping layouts: dedicated return line and cold-line crossover retrofit. It covers required components including check valves, air release valves and isolation valves. It breaks down installed costs by retrofit and new construction scenarios, expected service life (8–15 years), failure causes, drawbacks such as heat loss, warm cold water and Legionella risk, plus common commissioning issues and acceptance testing standards for residential domestic hot water recirculation systems.

Where to Install a Hot Water Recirculating Pump: Location, Cost & Lifespan Read More »

Pool Cover Pump Operation & Maintenance: A Field Guide

This practical field guide explains pool cover pump function, types, installation, routine operation, cold weather handling, winterization and storage. It includes a service schedule, troubleshooting table, operating parameters and common FAQs for pool contractors, resort and municipal facility teams, distributors and OEM buyers. It covers electrical codes, ASTM F1346 compliance, freeze damage prevention and pump specification guidance to extend service life.

Pool Cover Pump Operation & Maintenance: A Field Guide Read More »

Pool Filter System Cost & Runtime: What to Expect Before You Buy

This buying guide explains pool filter system runtime and operating costs for residential and commercial buyers, contractors and OEMs. It covers pool turnover calculation, three filter types (sand, cartridge, DE), pump speed types, DOE & NSF 50 standards, electricity consumption and consumable expenses. It compares upfront price vs 5-year total cost of ownership and shares a step-by-step sizing workflow to help evaluate quotations correctly.

Pool Filter System Cost & Runtime: What to Expect Before You Buy Read More »

Pool Cover Pump Basics & Buying Guide

This buying guide explains pool cover pumps: small low-profile submersible pumps to remove rain and meltwater from solid winter pool covers. It compares manual, float-switch and electronic sensor models, covers sizing by cover area and rainfall, safety standards including NEC 680, ANSI/UL 778, ASTM F1346 and EN IEC 60335-2-41. It also covers installation routine, freeze care, failure causes and specification tips for residential, commercial, municipal and OEM projects.

Pool Cover Pump Basics & Buying Guide Read More »

Is a Hot Water Recirculating Pump Worth It? Costs, Drawbacks & Problems

This article evaluates whether a residential hot water recirculating pump is worth the investment. It explains two common piping designs: dedicated return lines and retrofit thermal bypass (comfort) valves. It breaks down upfront installed costs, pump power consumption and the major hidden penalty — continuous pipe heat loss from the circulation loop. It compares different pump control strategies including 24/7 run, timers, aquastats and demand-triggered controls, with field data from DOE, CalNEXT and independent energy labs. Key downsides covered include cold-side warm water, copper erosion pinhole leaks, reduced heat pump water heater efficiency and Legionella bacteria risks. It covers typical failures, installation rules, service life and practical guidance: demand controls plus pipe insulation are critical for good tradeoffs between water savings, waiting time and extra energy cost.

Is a Hot Water Recirculating Pump Worth It? Costs, Drawbacks & Problems Read More »

Inground Pool Pump vs Above Ground Pool Pump: The Differences That Actually Matter

An above ground pool pump is a smaller, non-self-priming pump installed at or below the pool water line, relying on gravity supply. An inground pool pump is a larger self-priming unit that can lift water above the water line and retain prime. They differ in head pressure, HP, plumbing, voltage, service life and energy cost and are usually not interchangeable.

Inground Pool Pump vs Above Ground Pool Pump: The Differences That Actually Matter Read More »

How Much Does a Wastewater Pump Cost?

This guide explains wastewater pump pricing ranging from low-cost residential effluent pumps to high-value packaged municipal lift stations. It covers pump types including sewage ejectors, grinder pumps, vortex and channel non-clog pumps, and breaks down key cost drivers: total dynamic head, solids handling, wet-end materials, controls, site conditions and redundancy. It introduces centrifugal submersible pump working principles, industry standards, an 8-point pump buying checklist and maintenance rules. The FAQ section addresses septic tank pumping intervals, 1 HP pump performance, pump lift limits, proper pump sizing and risks of oversizing. It emphasizes that energy and maintenance dominate life-cycle expense rather than upfront pump purchase price.

How Much Does a Wastewater Pump Cost? Read More »

Hot Water Recirculating Pump: Complete Buyer’s Guide for Instant Hot Water

This buyer’s guide explains hot water recirculating pumps that deliver instant hot water by circulating cooled pipe water back to the water heater. It covers system types including dedicated return loops, crossover retrofit systems and fixture-level pumps. It compares continuous, timer and demand controls, reviews EPA WaterSense and NSF/ANSI 61 standards, pump sizing by GPM and head, water & energy tradeoffs, tankless heater considerations, noise and installation best practices, with LBNL water-waste research data.

Hot Water Recirculating Pump: Complete Buyer’s Guide for Instant Hot Water Read More »

Home Water Pressure Booster: How It Works & When You Need One

This guide explains home water pressure boosters: what they are, how centrifugal booster pumps operate, and which low-pressure symptoms mean you actually need one. It differentiates static vs dynamic water pressure, compares fixed-speed and variable-speed booster models, and covers pump selection, head & flow sizing, critical certifications including NSF/ANSI 61, WRAS, IPC plumbing code and ISO 9906. It also addresses noise, energy consumption, common installation pitfalls, maintenance routines and real field cases for single-family homes, townhouses, tank-fed villas and small guesthouses, clarifying what a booster pump can and cannot fix for residential potable water systems.

Home Water Pressure Booster: How It Works & When You Need One Read More »